Best Friend Forever double-wheeled backpack, has two main pockets to carry books, notebooks and folders. The second pocket is padded and designed to carry delicate devices such as a laptop or tablet. It also has a small front pocket and two with grille on the sides. It has adjustable and padded conveyor belts. Padded trellis and upper carrying handle. Rigid base for better protection to support the weight of content and urban use. It consists of a light trolley incorporated inside the backpack. Extendable handle. It has a waterproof fold-out fabric to cover dirty wheels at the time of loading it on the back. Outer fabric: 100% Polyester with waterproofing coating. Lining: 100% Polyester