Queen - Mattress/Box Spring Cover Size: 61 x 15 x 90" 2 Mil Thickness, Heavy Duty Polyethylene material is water resistant and tear resistant. You may want two, one for the Box spring and one for the Mattress! - Protects against Dust, Dirt, and Water. Slips on and off easily and can be sealed with tape! Looking for a King or Twin Size? Check out our store!