● DIMENSIONS: Medium backpack：12.99"L x 5.90"W x 13.28"H, Large backpack: 13.78″L x 6.7″W x 14.17″H. ● Material: Stylish backpack made of eco-friendly waterproof nylon, soft and fashionable, classic and minimalist design really stands out from the crowd! No worry about the items in the bag get wet in rainy days. ● Multi-function Backpack:1 front zipper pocket , 1 back anti-theft zipper pocket. 4 inner small pockets, 1 inner zipper pocket, 2 side pockets, easy access doctor bag-style opening , spacious backpack with zipper in back, anti-theft design, Full-lined black fabric with brand logo. 2 adjustable back straps, 1 removable shoulder strap and 1 top loop handle. ● Large capacity: Large backpack generous enough to accommodate the magazine, tablet, glasses, wallet, keys, earphone, power bank, cell phone, document, clothes, wallet, umbrella and other essential items. It will be a perfect school bag for men, women, teens, boys and girls, elementary school, middle school, high school and college students. ● Application: Convertible multi-use. Three different carry ways for various occasions. You can simply use it as a casual backpack, stylish top handle bag or a special shoulder bag with no need to remove the strap.