🎒【LARGE CAPACITY & WATERPROOF】19 X 11 X 6 Inch.35L.The Laptop backpack is made of high density waterproof polyester.Three spacious compartment and various independent pockets organize your stuff very well,such as college supplies,travel accessories,books,clothes,bottle,umbrella and key.Moreover,the main compartment is with padded Laptop compartment, which could protect your laptop 13 Inch,14 Inch,15 Inch, 15.6 inch up to 16 Inch.Suitable for school/daily life/business/work/trip. | 🎒【USB PORT 】With built in charging cable inside,this usb backpack offers you a more convenient way to charge your phone while walking.Please noted that this backpack doesn't power itself, usb charging port only offers an easy access to charge. | 🎒【ERGONOMICS & LUGGAGE STRAP】Comfortable airflow back design with thick and soft breathable padding gives you maximum back support. Adjustable "S" shoulder straps relieve the stress of the shoulders,A luggage strap allows backpack fit on luggage/suitcase, slide over the luggage upright handle tube for easier carrying. All ergonomic functions ensure comfortable and safe everyday & long-lasting travelling usage. | 🎒【FUNCTIONAL BACKPACK】Metal Zipper allows it to slide easily and smoothly.Key Ring design,organized your key well and let you find out your key in all sorts of things easier,plenty of pencil pouches for school supplies.Hidden anti-theft pocket protect your valuables from stealing. | 🎒【GIFT WARP AVAILABLE】Classic shape is the most popular school backpack for student. Of course, it can also be used as a daily backpack and business backpack.To prepare a wonderful gift for friends or family,the bookbag is a good decision.(Age：over 3 years old)