【STORAGE SPACE & POCKETS】The school backpack is equipped with a separate padded laptop sleeve which hold 17.3-inch, 15.6-inch, 15-inch, 14-inch and 13-inch Macbooks/notebooks. One spacious packing compartment roomy for iPad, mouse, charger, binder, books, clothes, etc. Front compartment with many pockets, pen pockets and key fob hook, make your items organized and easier to find. Mesh pockets located on the sides accommodate water bottles and compact umbrellas 【USB PORT & HEADPHONE JACK】With built in USB charger outside and built in charging cable inside, this usb backpack offers you a more convenient way to charge your phone while walking. Via the headphone interface, you could enjoy music and audios at the same time.(power bank is not in package) 【FUNCTIONAL BACKPACK】Zipper with the metal matte pullers allows it to slide easily and smoothly. A luggage strap allows travel laptop bag fit on luggage/suitcase, slide over the luggage upright handle tube for easier carrying. An anti-theft pocket located on the lower back keeps your passport, wallet, phone and other valuable items safe and handy 【COMFY & BREATHABLE】A comfortable airflow foam-pad back design with thick but soft multi-panel breathable mesh padding with good heat dissipation and not get clammy, gives you maximum back support. Breathable and adjustable "S" shoulder straps relieve the stress of the shoulders. A foam-padded top handle makes it a carry-on 【QUALITY MATERIAL & SOLID】18.8 X 13.05 X 7.5 Inch. 31L. Made of high density waterproof polyester fabric, strong & sturdy, offers LIGHT-WEIGHT carrying, perfects for daily life/business/trip/school/office work/weekend getaways. To prepare a wonderful gift for friends or family, our school bag is a good decision. (age: over 3 years old) COOL GIFT For Gift - Graduation gifts for middle school/college students, the best gift choice for office workers, travelers, men, women, boys, girls, kids, teenagers as Valentine's Day Gifts, Thanks giving Day gifts, or Christmas gifts. Special birthday day gift for him or her, your husband, daughter, son, father, mother and as a gift for friends. It can serve as a college bookbag, high school backpack, middle school backpack, business backpack, computer backpack, laptop backpack, office backpack, travel backpack. Features 1.The S-shaped shoulder strap is ergonomic to protect your shoulders and spine. 2.Pencil pocket, many zipper pockets, which are fully functional. 3.A special pocket for storing power bank inside, which will not be disconnected during bumps. 4.Waterproof resistant, scratch resistant, water repellent, but please don't let the backpack ""bathe"" in heavy rain. Specifications Size: 18.8 X 13.05 X 7.5 inch Capacity: 31L Weight: 1.74lbs Gender: Unisex Closure Type: Metal Zipper Material: Waterproof Polyester Style: Laptop/School/Business/Travel Padded Laptop Sleeve with shockproof belt: hold 17.3-inch, 15.6-inch laptops and 15-inch, 14-inch and 13-inch Macbooks/notebooks. Main Compartment: Thin clothes, headset, books, magazine, camera, etc. Front Compartment: For passport, pen, wallet, purse, glasses and other small items. 2 Front Easy Access Pockets: For keys, tissue, earphone box and other small items. Side Pockets: For water bottle, umbrella and other items. Anti-theft Back Pocket: Store your valuables such as passport and phone in back pocket which it's safer.