Feature: The sling backpack is made of sturdy and durable polyester. You can easily and conveniently charge your phone, tablet and other devices without opening up the backpack. (Please note:the charger is not included) It can be used both as chest pack and shoulder bag, messenger bag, travel bag; Satchel strap is adjustable, fit both regular and plus-size person. Three zippered main pockets, a small zippered pockets, a front anti-theft pocket. Roomy compartment to organize your cellphone, tablet, wallet, keys, ID card, credit card, small snacks Note: The size is just for reference, there maybe exist a measurement error of 1-3cm, Color may vary slightly due to different calibration of each monitor. Below is description for item: A, B, C, D, E Specification: Item Type: Chest Bag Material: Nylon Gender: Men Internal Material: Polyester Colour: Black,Gray,Dark blue,Red Closure: Zipper Feature: With USB Port (Only item A, B, C, D, E have USB Port) Size: 33*17*7cm Package Included: 1 x Chest Bag Below is description for item F, G, H, I, J. Style B Specification: Material:Canvas Indise material:TC cloth Size: 22*15*5cm Structure:Cell phone pocket,Sandwich zipper bags, Document pocket Shape: Oval Price includes free international shipping to the USA in about 30 days