Easy to fold and pack this Portable Waterproof Travel Backpack is a smart bag that you can take it in a small size everywhere you go and turn it to a real backpack as you need it. Main Material: Nylon Technics: Jacquard Gender: Unisex Backpacks Type: Softback Interior: Interior Slot Pocket Item Type: Backpacks Decoration: Appliques Exterior: Silt Pocket Lining Material: Polyester Style: Casual