*15.5 Oz.Made from smooth and soft nylon material. Size 17.72"H x 11.81"W x 5.5"D *Lightweight and waterproof. Simple and fashionable backpack for outdoor traveling. *Black stitch lines on the surface of backpacks. *Perfect for holding a laptop and many books. *Padded back panel and adjustable shoulder straps for extra comfort and easy carrying.