Furinno Angeland 4-Inch Gel Infused Memory Foam Mattress Topper, Queen, FUR1526256 80%cotton/20%polyester Imported Dual Layer 4-IN Open cell memory foam; 1.5-IN of gel memory foam plus 2.5-IN High Density responsive foam base layer, 100% CertiPur-US Foam. Exclusive pressure point relief; conforms to head, neck, shoulder, hips and back; providing spinal alignment for a great nights sleep. Hypoallergenic, and dust mite resistant. Allergy suffers can now enjoy this luxury sleeping comfort. Cover is made of 80% Cotton adding softness and comfort. Removable zip cover is Machine Washable; Guaranteed it will not go flat. Our Furinno Foams series are infused with Lavendar extract to minimize the growth of bacteria and eliminate chemical odor in a natural way.