Bagiva Medium Everest Wheeled Backpack Most Durable Handy Travel Bags Available Colors: Black, Red, Turquoise, Navy, Gray/Navy, Dark Purple, Material: 600-denier polyester Size: 13.5 x 18 x 6.5 in, A medium backpack on wheels: the convenience of a backpack, the ease of a rolling suitcase, Two-stage telescoping handle Tuck-away padded straps for use as a backpack, Main compartment with easy glide zippers, Front bungee pocket for bulkier items Side and front mesh pockets (squeeze bottle optional), Detachable keychain coin purse Capacity: 1580 in3 / 25.9 L