Anti Theft Laptop Business Travel Backpack Mangotek Business Travel Bags with USB Charging Port Fits 15.6'' Notebook (Black) Safety(Anti-theft design) : Anti-theft zipper and pockets is fully hidden in the back of this bag ,Theft proof protect the bag items inside from thief ,and two-ways zippers across the backpack are convenient to operate on whichever side you prefer Large Capacity(Multi-functional Compartment) : Exterior dimension (L*W*H)17.7*11.8*7.87inch fits up to 15.6inch laptop notebook, 9.7 Ipad/table, 90 or 180 adjustable main compartment, many small and large compartment to place you books, clothes, cables, wallet, power bank, cards etc External USB port :The usb port with built-in charging cable inside, charge your electronic device more convenient, but not include a battery,you need a power bank to charge it Lightweight & waterproof material: High quality and nylon waterproof material , dust-proof ,anti scratch ,durable and sturdy, to withstand heavy use contoured shoulder ,and easy to clean Suit for Any Occasion : Travel., Business ,professional office work laptop backpack and. shopping . camping , hiking . cycling . sports ,daily use etc. also perfects for college high school students backpack for boys ,girls , teens ,women and men