Whitmor 3-Piece Spacemaker Storage Cubes Triple storage space in seconds by compressing contents when air is removed Works with most standard vacuum hoses Airtight and moisture proof storage Reusable watertight and airtight nylon bag High density resin provides protection against odor, mold, mildew and insects Set includes one large 19.5" x 33.5", one X-Large 27.5" x 41.0", one Jumbo 36.5" x 42.5" Service & Guarantee: Whitmor stands by our products. If you have any problems, contact us for help