Product Description Main Material: Nylon Technics: Embossing Backpacks Type: Softback Capacity: 20-35 Litre Interior: Computer Inter layer Interior: Cell Phone Pocket/Interior Zipper Pocket/Interior Slot Pocket/Interior Compartment/Interior Key Chain Holder Handle/Strap Type: Hard Handle Item Type: Backpacks Closure Type:zipper Rain Cover: No Exterior: Silt Pocket Carrying System: Air Cushion Belt Lining Material: Polyester Type: laptop backpack,notebook backpack,large capacity computer backpackg