LOTS OF STORAGE SPACE & POCKETS: One computer compartment can hold 17Inch, 15.6 Inch,14.3 Inch,13.3 Inch laptop. One large main compartment provides enough room to carry on what you need daily necessities,tech electronics accessories. One front compartment include additional pockets, pen pockets, and a key fob hook to make your items more organized and easier to find. while two side pockets are convenient for carrying bottles and umbrellas. | SPECIAL ANTI-THEFT DESIGN: There is a hook on the side pocket of the laptop bag. You can fasten the zipper of the main pocket and the computer pocket with the hook. A hidden anti-theft pocket on the back protect your purse, passport, phone and valuable items from thieves. The back luggage strap can help you fasten the carry on backpack to your luggage/suitcase. It's a travel gift for men and an accessories for international airplane travel and day trip. | COMFORTABLE DESIGN: The adjustable shoulder straps of the backpack is equipped with massage mats to make you feel comfortable when you use it and to ensure it doesn't pinch your shoulder. The shoulder strap is also equipped with a special card pocket and hook for glasses. The airflow back was designed with thick but soft, multi-panel ventilated padding to give you maximum back support. | EARPHONE & USB PORT DESIGN: This backpack is equipped with a USB charger outside that you can connect your power supply too. Use the built-in cable, external use cable, to connect your phone to so you can walk or travel while your phone is charging (NOTICE: we don't provide power supply) idea for tech gifts. The headphone interface frees your hands when enjoying music or etc. | DURABLE MATERIAL& SERVICE SUPPORT: Made of water repellent 1680D double-pile polyester with high quality smooth zippers and reinforced stitching for lasting durability. multi-functional work bagpack to carry on items, college/high school big student backpack for boys, girls, teens, adults. Life-time quality assurance from Sosoon and friendly 24 hours customer service.