Bagiva Wheeled Everest Backpack Durable Handy Travel School Bag Cycling Pack Available Colors:Black,Navy,Red, Material: 600-denier polyester Size: 13 x 17 x 6 in, A small backpack on wheels: the convenience of a backpack, the ease of a rolling suitcase Sturdy telescoping handle with a double-wheeled base, Easy glide zippers Multiple zippered pockets for quick access, Side mesh pocket (squeeze bottle optional) Double handles for easy portability, Capacity: 1400 in3 / 22.9 L