SAFE & CONVENIENT--Easy to use combination TSA code lock,quite safe to protect your valuable items inside,preventing them from stealing. External USB with convenient built-in charging cable, charge your phone and other electronic devices anytime and anywhere. Tips: POWER BANK IS NOT INCLUDED. | DURABLE & PRACTICAL--Abrasion-proof Oxford fabric material which resist scratches,cut.Plus high quality double sided metal zippers make close and open smoothly in any directions.Water repellent, as well as keep away from filth or dirt. Also suitcase strap on the back can easily attached to your rolling luggage securely for easier transport during business travel. | STYLISH & ORGNIZED--Minimalist style with sleek appearance, not bulky but easily show your taste. Lightweight casual notebook bag ,feel pleased to use. Independent pockets design with plenty of room: laptop pocket*2,large capacity pocket *1, hidden side pocket*1,shoulder pocket*1,back pocket*1. Put daily essentials and business suppliers well,effective use of large storage. | BREATHABLE & COMFORTABLE--Back side and shoulder straps come with breathable sponge mesh design, help you stay away from sweaty. Adjustable shoulder straps keep the backpack fixed on your body and offer your great back support. Also a simple and curved design top soft handle makes it a carry-on bag. | MUTI-OCCASIONS --A must for school supplies, travelling and hiking accessories and laptop accessories.Casual daypack suits college school, high school students.Fits 15.7 inch, 15 inch or 14 inch laptop, books, 4A file, binders, folders and other essentials of school and working. Also a functional practical gifts for father ,boyfriend ,boys ,girls ,teens ,students.

[ANTI-THEFT WATERPROOF TRAVEL SLING BAG] Made of durable, lightweight, water-resistant oxford material with top-quality zippers and pvc fittings. Security anti-theft lock system to protect your valuables and important documents at all times. It is a shoulder bag for office workers. It is also a lightweight travel harness bag. It is ergonomic and fits your body without hindering your limbs as they work. | [MULTIFUNCTIONAL SLING BACKPACKS] Size: 7.1 X 3.1 X 13.7 inches. It has 1 main pocket. 3 zipper pocket,1 open pocket and 1 interlayer. Has enough room for all your essentials such as 9.7 inch IPad,phone,wallet,credit card, headphone, earphone etc. OZUKO sling bag is spacious and it is design to perfectly hold can hold a lot of items. | [USB CHARGING PORT & HEADPHONE HOLE] This chest bag with external USB charging port (note:power bank not included). The top hole is for earphone wire, you can enjoy music anytime anywhere. Perfectly works as sling shoulder pack, wear this sling bag over either shoulder comfortably, or across the chest to deter thieves and keep your hands free. | [HIDDEN ANTI-THEFT POCKET & WATER BOTTLE HOLDER] OZUKO shoulder casual daypack has one easy-reach hidden anti-theft pocket which for your phone and other frequently-used small but important things, the external water bottle holder makes this chest bag thoughtful. Reflective strip design at night, safe driving without pressure! | [MULTIPURPOSE CROSS-BODY BAG] Unique and elegant appearance makes you the most attractive person when you wear it to bike, walk, hike, date or other outdoor activity. It's perfect for business, casual, traveling, biking, and everyday wroking. (Note: The product may be slightly wrinkled during transportation, please iron it with a steam iron before use)

『PRACTICAL & SAFE』 Main compartment of the anti theft backpack with lockable zipper design,convenient for locking your valuables. Hidden anti-theft pocket on the back of this business backpack, protects your items from thieves. Super-large capacity dual anti-theft design. | 『LIGHTWEIGHT AND COMFORTABLE SLING BACKPACK』 Size: 8.2 X 4.7 X 13.7 inch / 21 X 12 X 35 cm(Suitable for 9.7 inch Ipad). Very light weight to carry. Shoulder strap and back are made of breathable mesh padded that can provide you all day comfort. | 『ERGONOMIC DESIGN』 Two smooth zipper compartment provide super-fast access to your belongings. Adjustable strap allows you adjust length and wear bag in the front or back, and stays in place comfortably even while running. Perfectly fit your body. | 『DURABLE AND WATERPROOF』OZUKO sling backpack is made of high quality water resistant Oxford cloth. It is durable, anti-scratch and anti-theft. It is specially designed. | 『CASUAL SMALL BAG』 Can be used as sling backpack, crossbody bag, shoulder bag, sling pack, chest bag, travel bag, backpack purse, sling purse, hiking bag, working or business bag, suitable for office, school, outdoor, business and other occasions.

Outer Material: Oxford | Inner Material: Polyester | Closure: Zipper | 『LARGE CAPACITY SlLING BAG』 Size:32*20*11cm(12.6*7.9*4.3inch) to store a iPad up to 9.7 inches. Multi-pocket design, can meet all the needs of your daily life. There is a special compartment behind the main bag to protect valuables such as ipads and watches. The hidden pocket on the shoulder strap allows you to take out the bus pass or other necessary items from the bag at any time. | 『DURABLE MATERIAL & LIGHTWEIGHT』 Made of high quality Oxford fabric prevents sweat penetration, wear and wash resistance, internal polyester material prevents scratching of valuables surface, And good quality zippers can make it open and close for thousands of time. Length Range of shoulder strap is between 70cm and 110cm, with a soft texture can be freely adjusted to adapt different body shapes. | 『ATTRACTIVE DESIGN & CONVENIENT』 This mens sling backpack offers External USB port with built-in charging cable connecting with Power Bank to charge(Power Bank is NOT included). There are special water cup bags and umbrella bags on the front, suitable for summer travel, no longer have to worry about hot weather and sudden rainstorms. The shoulder strap is adjustable left to right. | 『ERGONOMIC DESIGN & BREATHABLE』 Comfortable airflow back design with multi-layer thick soft ventilation padding, ensures the dispersion of gravity throughout the MEN SLING BAG, making it comfortable to wear even when loaded with your gear. Breathable and adjustable wide shoulder straps with breathable material help relieve the stress from your shoulders. Waterproof sling bag is equipped with adjustable chest buckle enables you to control the strap length freely. | 『MULTIFUNCTIONAL SLING BAG』 Multifunctional Mens Sling bag is ideal for walking, hiking, travelling, camping, trekking, motorcycle, cycling, party, festival, shopping and any outdoor or leisure activities. This Sling Bag is also a good gift for men, women, boy, girl, family, friends in Father's Day, birthday, Valentine's Day Christmas and other special days.

✔ ADVANCED MATERIALS: Made of high-density oxford fabric, waterproof and wear-resistant. Breathable and decompression carrying system, heat dissipation, ventilation, shock absorption. It's more comfortable carrying a heavy load, relieves the stress of your shoulder. Offering your back plenty of cushioned comfort. | ✔ PRACTICAL & SAFE: Main compartment of the anti theft backpack with lockable zipper design,convenient for locking your valuables. Hidden anti-theft pocket on the back of this business backpack, protects your items from thieves. The surface of the package is printed with reflective design, and the night warning is safer. | ✔ MULTI STORAGE AREA: 6.7"L x 3.2"W x 13.4"H, Suit for 9inch IPad. Large capacity main bag, zipper pocket, inner patch pocket, back zip pocket, shoulder strap card pocket, side pocket, make it easier and safer to store small items. such as your clothes, books, lunchbox, coins, cell phone, keys, pens, etc. Large capacity sling bag can meet your storing need. | ✔ MULTI-FUNCTIONAL : Stylish, Unisex and Effective. Can be used messenger bag / shoulder bag / cross body backpack / casual day pack / sling bag / chest bag / travel bag / working or business bag, suitable for office, school, outdoor, business and other occasions. | ✔ QUALITY SERVICE: If you are not satisfied with the quality of the product, we will give you a full refund. If you have any questions, please do not hesitate to contact us as soon as possible. Customer satisfaction is our main goal!

✔ ADVANCED MATERIALS: Made of high-density oxford fabric, waterproof and wear-resistant. Breathable and decompression carrying system, heat dissipation, ventilation, shock absorption. It's more comfortable carrying a heavy load, relieves the stress of your shoulder. Offering your back plenty of cushioned comfort. | ✔ PRACTICAL & SAFE: Main compartment of the anti theft backpack with lockable zipper design,convenient for locking your valuables. Hidden anti-theft pocket on the back of this business backpack, protects your items from thieves. The surface of the package is printed with reflective design, and the night warning is safer. | ✔ MULTI STORAGE AREA: 6.7"L x 3.2"W x 13.4"H, Suit for 9inch IPad. Large capacity main bag, zipper pocket, inner patch pocket, back zip pocket, shoulder strap card pocket, side pocket, make it easier and safer to store small items. such as your clothes, books, lunchbox, coins, cell phone, keys, pens, etc. Large capacity sling bag can meet your storing need. | ✔ MULTI-FUNCTIONAL : Stylish, Unisex and Effective. Can be used messenger bag / shoulder bag / cross body backpack / casual day pack / sling bag / chest bag / travel bag / working or business bag, suitable for office, school, outdoor, business and other occasions. | ✔ QUALITY ASSURANCE: If you are not satisfied with the quality of the product, we will give you a full refund. If you have any questions, please do not hesitate to contact us as soon as possible. Customer satisfaction is our main goal!

✔ ADVANCED MATERIALS: Made of high-density oxford fabric, waterproof and wear-resistant. Breathable and decompression carrying system, heat dissipation, ventilation, shock absorption. It's more comfortable carrying a heavy load, relieves the stress of your shoulder. Offering your back plenty of cushioned comfort. | ✔ PRACTICAL & SAFE: Main compartment of the anti theft backpack with lockable zipper design,convenient for locking your valuables. Hidden anti-theft pocket on the back of this business backpack, protects your items from thieves. The surface of the package is printed with reflective design, and the night warning is safer. | ✔ MULTI STORAGE AREA: Size: 6.7"L x 3.2"W x 13.4"H, Suit for 9inch IPad; large capacity main bag, zipper pocket, inner patch pocket, back zip pocket, shoulder strap card pocket, side pocket, make it easier and safer to store small items. Large capacity can meet your storing need. | ✔ MULTI-FUNCTIONAL: Stylish, Unisex and Effective. Can be used messenger bag / shoulder bag / cross body backpack / casual day pack / sling bag / chest bag / travel bag / working or business bag, suitable for office, school, outdoor, business and other occasions. | ✔ QUALITY SERVICE: If you are not satisfied with the quality of the product, we will give you a full refund. If you have any questions, please do not hesitate to contact us as soon as possible. Customer satisfaction is our main goal!

✔ ADVANCED MATERIALS: OZUKO Sling Bag is made of high-density oxford fabric, waterproof and wear-resistant. Breathable and decompression carrying system, heat dissipation, ventilation, shock absorption. It's more comfortable carrying a heavy load, relieves the stress of your shoulder. Offering your back plenty of cushioned comfort. | ✔ PRACTICAL & SAFE: Main compartment of the anti theft sling backpack with lockable zipper design,convenient for locking your valuables. USB port design,built-in USB charging cable, convenient charging, walking stress-free. Hidden anti-theft pocket on the back of this business backpack, protects your items from thieves. The surface of the package is printed with reflective design, and the night warning is safer. | ✔ MULTI STORAGE AREA: 6.7"L x 3.2"W x 13.4"H, Suit for 9inch IPad. Large capacity main bag, zipper pocket, inner patch pocket, back zip pocket, shoulder strap card pocket, side pocket, make it easier and safer to store small items. such as your clothes, books, lunchbox, coins, cell phone, keys, pens, etc. Large capacity sling bag can meet your storing need. | ✔ MULTI-FUNCTIONAL : Stylish, Unisex and Effective. OZUKO Shoulder Bag is a great companion for OUTDOOR/INDOOR activities. Can be used messenger bag / shoulder bag / cross body backpack / casual day pack / sling bag / chest bag / travel bag / working or business bag, suitable for office, school, outdoor, business and other occasions. | ✔ QUALITY SERVICE: If you are not satisfied with the quality of the product, we will give you a full refund. If you have any questions, please do not hesitate to contact us as soon as possible. Customer satisfaction is our main goal!

✨REVERSIBLE SHOULDER STRAP DIRECTION: The perfect pack for BOTH LEFTIES & RIGHTIES with reversible softly padded shoulder strap. One bags suits all. | ✨LIGHTWEIGHT AND COMFORTABLE SLING BACKPACK: Size: 7.9 *4.7 *13.9 inch (L*W*H). Very light weight to carry. Shoulder strap and back are made of breathable mesh padded that can provide you all day comfort. | ✨ERGONOMIC DESIGN: Two smooth zipper compartment provide super-fast access to your belongings. Adjustable strap allows you adjust length and wear bag in the front or back, and stays in place comfortably even while running. Perfectly fit your body. | ✨DURABLE AND WATERPROOF: OZUKO sling bag is well constructed of high quality water resistant oxford material. Lightweight, strong and sturdy. Not easy to be scratched, high quality and water-resistant. | ✨CASUAL SMALL BAG: Can be used as sling backpack, crossbody bag, shoulder bag, sling pack, chest bag, travel bag, backpack purse, sling purse, hiking bag, working or business bag, suitable for office, school, outdoor, business and other occasions.

Oxford | Zipper closure | Polyester lining | ✔ ADVANCED MATERIALS: OZUKO Sling Bag is made of high-density oxford fabric, waterproof and wear-resistant. Breathable and decompression carrying system, heat dissipation, ventilation, shock absorption. It's more comfortable carrying a heavy load, relieves the stress of your shoulder. Offering your back plenty of cushioned comfort. | ✔ MULTI STORAGE AREA: 6.7"L x 7.9"W x 13.8"H. Large capacity main bag, zipper pocket, inner patch pocket, back zip pocket, shoulder strap card pocket, side pocket, make it easier and safer to store small items. such as your clothes, books, lunchbox, coins, cell phone, keys, pens, etc. Large capacity sling bag can meet your storing need. | ✔ PRACTICAL & SAFE: Main compartment of the anti theft sling backpack with lockable zipper design,convenient for locking your valuables. USB port design,built-in USB charging cable, convenient charging, walking stress-free(Note: power bank not included). Hidden anti-theft pocket on the back of this business backpack, protects your items from thieves. The surface of the package is printed with reflective design, and the night warning is safer. | ✔ MULTI-FUNCTIONAL : Stylish, Unisex and Effective. OZUKO Shoulder Bag is a great companion for OUTDOOR/INDOOR activities. Can be used messenger bag / shoulder bag / cross body backpack / casual day pack / sling bag / chest bag / travel bag / working or business bag, suitable for office, school, outdoor, business and other occasions. | ✔ QUALITY SERVICE: If you are not satisfied with the quality of the product, we will give you a full refund. If you have any questions, please do not hesitate to contact us as soon as possible. Customer satisfaction is our main goal!

Waterproof Oxford | Polyester lining | Zipper closure | 【LIGHTWEIGHT WATERPROOF CHEST BAG】OZUKO sling bag is made of high density water resistant and tear resistant oxford fabric. Breathable and decompression carrying system, heat dissipation, ventilation, shock absorption. Durable metal zippers close and open smoothly, ensure a secure and long-lasting usage everyday or weekend. | 【SAFETY & ANTI-THEFT SLING BAG】Main compartment of the anti theft sling backpack with lockable zipper design,convenient for locking your valuables. Hidden anti-theft pocket on the back of this business backpack, protects your items from thieves. The surface of the package is printed with reflective design, and the night warning is safer. | 【MULTIPLE POCKET】Size: 7.8"Lx 4.7"W x 14.9"H. FITS 9.7" iPad. Mens Crossbody Bags has a main compartment for your clothes, books, lunchbox and other daily necessities. With several functional pockets, you can hold your small items perfectly, such as coins, cell phone, keys, pens, etc. Side pockets for quick access to your daily items. Large capacity can meet your storing need. | 【COMFORTABLE & FUNCTIONAL】 Stylish, Unisex and Effective. OZUKO shoulder bags are great companions for OUTDOOR/INDOOR activities. Can be used messenger bag / shoulder bag / cross body backpack / casual day pack / sling bag / chest bag / travel bag / working or business bag, suitable for office, school, outdoor, business and other occasions. | 【OUR SERVICE】OZUKO is committed to providing you with the best quality products and services. If you are not satisfied within one month, you can get an unconditional refund. If you have quality problems within one year, you can contact us. We will respond to your request and after-sales within 24 hours. Customer satisfaction is our main goal!

Zipper closure | Waterproof Oxford | 【LIGHTWEIGHT WATERPROOF CHEST BAG】OZUKO sling bag is made of high density water resistant and tear resistant oxford fabric. Breathable and decompression carrying system, heat dissipation, ventilation, shock absorption. Durable metal zippers close and open smoothly, ensure a secure and long-lasting usage everyday or weekend. | 【SAFETY & ANTI-THEFT SLING BAG】Main compartment of the anti theft sling backpack with lockable zipper design,convenient for locking your valuables. Hidden anti-theft pocket on the back of this business backpack, protects your items from thieves. The surface of the package is printed with reflective design, and the night warning is safer. | 【MULTIPLE POCKET】Size: 7.8"Lx 4.7"W x 14.9"H. FITS 9.7" iPad. Mens Crossbody Bags has a main compartment for your clothes, books, lunchbox and other daily necessities. With several functional pockets, you can hold your small items perfectly, such as coins, cell phone, keys, pens, etc. Side pockets for quick access to your daily items. Large capacity can meet your storing need. | 【COMFORTABLE & FUNCTIONAL】 Stylish, Unisex and Effective. OZUKO shoulder bags are great companions for OUTDOOR/INDOOR activities. Can be used messenger bag / shoulder bag / cross body backpack / casual day pack / sling bag / chest bag / travel bag / working or business bag, suitable for office, school, outdoor, business and other occasions. | 【OUR SERVICE】OZUKO is committed to providing you with the best quality products and services. If you are not satisfied within one month, you can get an unconditional refund. If you have quality problems within one year, you can contact us. We will respond to your request and after-sales within 24 hours. Customer satisfaction is our main goal!

Zipper closure | Waterproof Oxford | 【LIGHTWEIGHT WATERPROOF CHEST BAG】OZUKO sling bag is made of high density water resistant and tear resistant oxford fabric. Breathable and decompression carrying system, heat dissipation, ventilation, shock absorption. Durable metal zippers close and open smoothly, ensure a secure and long-lasting usage everyday or weekend. | 【SAFETY & ANTI-THEFT SLING BAG】Main compartment of the anti theft sling backpack with lockable zipper design,convenient for locking your valuables. Hidden anti-theft pocket on the back of this business backpack, protects your items from thieves. The surface of the package is printed with reflective design, and the night warning is safer. | 【MULTIPLE POCKET】Size: 7.8"Lx 4.7"W x 14.9"H. FITS 9.7" iPad. Mens Crossbody Bags has a main compartment for your clothes, books, lunchbox and other daily necessities. With several functional pockets, you can hold your small items perfectly, such as coins, cell phone, keys, pens, etc. Side pockets for quick access to your daily items. Large capacity can meet your storing need. | 【COMFORTABLE & FUNCTIONAL】 Stylish, Unisex and Effective. OZUKO shoulder bags are great companions for OUTDOOR/INDOOR activities. Can be used messenger bag / shoulder bag / cross body backpack / casual day pack / sling bag / chest bag / travel bag / working or business bag, suitable for office, school, outdoor, business and other occasions. | 【OUR SERVICE】OZUKO is committed to providing you with the best quality products and services. If you are not satisfied within one month, you can get an unconditional refund. If you have quality problems within one year, you can contact us. We will respond to your request and after-sales within 24 hours. Customer satisfaction is our main goal!

WATERPROOF | YKK ZIPPER & WATERPROOF: YKK brand zipper make this bag last a long performance. Backpacks are more durable. Business laptop backpack made of high-density coated oxford fabric not only waterproof and resistant but also scratch-resistant. It can keep your laptops, clothes and important documents from drizzling but please don't let this bag exposed in a heavy rain. | ULTRA-LARGE CAPACITY LAPTOP BACKPACK: 12.2x6.3x18.9inch(L*W*H). Fits 15.6inch laptop. ★Structure: Large capacity main bag: store books, clothing, headphones, etc .; Open the main bag: store iPad, wallet, etc .; Front layer bag * 2: store mobile phone, wallet, etc .; Wet separation side bag * 2: Store rain umbrella, water cup, etc .; Shoulder strap card bag, storage card, etc. Suitable for business travel, college attendance, school commute, daily work and weekend trip. | USB CHARGING PORT & LUGGAGE BELT: With built in USB charging port outside and built in charging cable inside, this backpack offers you a convenient way to charge your phone while walking. （POWER BANK IS NOT INCLUDED.）Back luggage strap allows backpack to slide over the luggage tube, secure your backpack in place, provides a convenient way to carry the backpack and release your shoulder. | ERGONOMIC DESIGN: Padded Air cushion of the backside and shoulder strap,nicely cushioned and reduce the pressure effectively. The polyester lining is durable and soft, both preventing the fabric from fraying and protecting your computer from scratches. And together they protect your computer from accidents and drops. Adjustable buckle waist strap keep the backpack fixed on your body. Comfortable and decompression, not tired! | MULTIFUNCTION BUSINESS BACKPACK: The bag can be opeded freely 90 degree, can be used as school backpack, hiking daypack, camping bag, travel bag, diaper bag and work bag. Perfect for boys, girls, teens, adults, meet all your carry potential, roomy enough for travel accessories and school supplies.

WATERPROOF | YKK ZIPPER & WATERPROOF: YKK brand zipper make this bag last a long performance. Backpacks are more durable. Business laptop backpack made of high-density coated oxford fabric not only waterproof and resistant but also scratch-resistant. It can keep your laptops, clothes and important documents from drizzling but please don't let this bag exposed in a heavy rain. | ULTRA-LARGE CAPACITY LAPTOP BACKPACK: 12.2x6.3x18.9inch(L*W*H). Fits 15.6inch laptop. ★Structure: Large capacity main bag: store books, clothing, headphones, etc .; Open the main bag: store iPad, wallet, etc .; Front layer bag * 2: store mobile phone, wallet, etc .; Wet separation side bag * 2: Store rain umbrella, water cup, etc .; Shoulder strap card bag, storage card, etc. Suitable for business travel, college attendance, school commute, daily work and weekend trip. | USB CHARGING PORT & LUGGAGE BELT: With built in USB charging port outside and built in charging cable inside, this backpack offers you a convenient way to charge your phone while walking. （POWER BANK IS NOT INCLUDED.）Back luggage strap allows backpack to slide over the luggage tube, secure your backpack in place, provides a convenient way to carry the backpack and release your shoulder. | ERGONOMIC DESIGN: Padded Air cushion of the backside and shoulder strap,nicely cushioned and reduce the pressure effectively. The polyester lining is durable and soft, both preventing the fabric from fraying and protecting your computer from scratches. And together they protect your computer from accidents and drops. Adjustable buckle waist strap keep the backpack fixed on your body. Comfortable and decompression, not tired! | MULTIFUNCTION BUSINESS BACKPACK: The bag can be opeded freely 90 degree, can be used as school backpack, hiking daypack, camping bag, travel bag, diaper bag and work bag. Perfect for boys, girls, teens, adults, meet all your carry potential, roomy enough for travel accessories and school supplies.

✔ ADVANCED MATERIALS: OZUKO Sling Bag is made of high-density oxford fabric, waterproof and wear-resistant. Breathable and decompression carrying system, heat dissipation, ventilation, shock absorption. It's more comfortable carrying a heavy load, relieves the stress of your shoulder. Offering your back plenty of cushioned comfort. | ✔ PRACTICAL & SAFE: Main compartment of the anti theft sling backpack with lockable zipper design,convenient for locking your valuables. USB port design,built-in USB charging cable, convenient charging, walking stress-free. Hidden anti-theft pocket on the back of this business backpack, protects your items from thieves. The surface of the package is printed with reflective design, and the night warning is safer. | ✔ MULTI STORAGE AREA: 6.7"L x 3.2"W x 13.4"H, Suit for 9inch IPad. Large capacity main bag, zipper pocket, inner patch pocket, back zip pocket, shoulder strap card pocket, side pocket, make it easier and safer to store small items. such as your clothes, books, lunchbox, coins, cell phone, keys, pens, etc. Large capacity sling bag can meet your storing need. | ✔ MULTI-FUNCTIONAL : Stylish, Unisex and Effective. OZUKO Shoulder Bag is a great companion for OUTDOOR/INDOOR activities. Can be used messenger bag / shoulder bag / cross body backpack / casual day pack / sling bag / chest bag / travel bag / working or business bag, suitable for office, school, outdoor, business and other occasions. | ✔ QUALITY SERVICE: If you are not satisfied with the quality of the product, we will give you a full refund. If you have any questions, please do not hesitate to contact us as soon as possible. Customer satisfaction is our main goal!

✔ ADVANCED MATERIALS: OZUKO Sling Bag is made of high-density oxford fabric, waterproof and wear-resistant. Breathable and decompression carrying system, heat dissipation, ventilation, shock absorption. It's more comfortable carrying a heavy load, relieves the stress of your shoulder. Offering your back plenty of cushioned comfort. | ✔ PRACTICAL & SAFE: Main compartment of the anti theft sling backpack with lockable zipper design,convenient for locking your valuables. USB port design,built-in USB charging cable, convenient charging, walking stress-free. Hidden anti-theft pocket on the back of this business backpack, protects your items from thieves. The surface of the package is printed with reflective design, and the night warning is safer. | ✔ MULTI STORAGE AREA: 6.7"L x 3.2"W x 13.4"H, Suit for 9inch IPad. Large capacity main bag, zipper pocket, inner patch pocket, back zip pocket, shoulder strap card pocket, side pocket, make it easier and safer to store small items. such as your clothes, books, lunchbox, coins, cell phone, keys, pens, etc. Large capacity sling bag can meet your storing need. | ✔ MULTI-FUNCTIONAL : Stylish, Unisex and Effective. OZUKO Shoulder Bag is a great companion for OUTDOOR/INDOOR activities. Can be used messenger bag / shoulder bag / cross body backpack / casual day pack / sling bag / chest bag / travel bag / working or business bag, suitable for office, school, outdoor, business and other occasions. | ✔ QUALITY SERVICE: If you are not satisfied with the quality of the product, we will give you a full refund. If you have any questions, please do not hesitate to contact us as soon as possible. Customer satisfaction is our main goal!