мужской открытый рюкзак студент schoolbag usb бизнес компьютерная сумка boy спорт путешествия рюкзак

bag size: medium lining texture: nylon whether with lock: no outer bag type: bag with lid accessories type: backpack shoulder pad material: nylon with or without rain cover: no strap root number: double root function: waterproof, wear-resistant, anti-theft hardness: medium bag shapes: square vertical section with or without a lever: no size: 39 * 10 * 28 opening method: zipper bag internal structure: id bag carrying system: air cushion strap capacity: 20-35l