Continal Sleep High Density 2-inch Foam Mattress Topper, Adds Comfort to Mattress, Twin Size Mattress topper adds a level of comfort to your mattress Foam mattress topper is made of soft foam Scientifically engineered to target the right points on your Back Orthopedic Type cover Instantly makes any mattress more restful, comfortable, and supportive in sagging areas of mattress