Feature 1[USB Interface] Chest bag peripheral USB interface, earphone opening, charging at any time, listening to music, watching movies. 2[Anti Theft Design] Messenger bag adopts anti theft design, and the side pockets are designed with concealed buckle and zipper, so you can go through security inspection without worry. 3[Pull Design] Chest bag backpack adopts a two way texture pull design, which is glossy and does not jam, which is portable and practical. Spatter water, worry free travel on rainy nights, wipe and dry. 4[Adjustable Shoulder Strap] Adjustable shoulder strap, shoulder strap adjustment buckle texture and gloss, the length of the shoulder strap can be adjusted freely. 5[Ergonomics Design] High elasticity and thickening, designed according to ergonomics, strong endurance, comfortable decompression.Item Type: ChestBagMaterial: PolyesterCapacity: Maximum 12in Tablet/Mobile Phone Package List1 x ChestBag