Lavish Home Natural Pedic 1 inch Thick Comfort Foam Mattress Topper, Hypo-Allergenic, Twin 100% Polyurethane Imported Foam Type: Polyurethane, Allergy Free Thickness: 1 inch, Firmness: Medium, Density: 3.25 pounds/25D Care Instructions: Spot Clean Only, Air Dry Size: Twin Product Dimensions: 39 inches x 75 inches x 1 inch