China Durable Laptop Backpack with USB Charging Port Factory Directly Supply. Everhart isDurable Laptop Backpack with USB Charging Port manufacturer and supplier in China. MANY POCKETS & MULTI COMPARTMENT: Pocket more than 15, the main compartment of our travel backpack can hold 17.3inch laptop, binders folders, clothes and college items. Front compartment with pockets for mobile phone and keychain etc. Make accessories organized and easy to find. Special laptop rucksack for commuter men women