korean version men's bag trend sports students one shoulder slant across the chest backpack

the achievement of the collision between oriental aesthetics and western culture, oxford spinning waterproof fabric, high strength scratch resistant, wear-resistant, luminous silk screen decoration, double zipper design, high toughness buckle, adjustable buckle, can adjust the length of shoulder strap, can put 7.9 inch ipad, wallet, headphones and other items, leisure, travel, travel, school can also use. upgrade chest bag external usb, built-in data cable, external plug-in, can be charged at any time to use, go out and don't worry about mobile phone power