PRRS1012 Features: * 100% Hypoallergenic * Memory foam: 100% Polyurethane * Molded right into the memory foam to help reduce pressure points that cause tossing and turning * Your body to provide ultimate comfort and support * Help reduce pressure points that cause tossing and turning * Extraordinary therapeutic pressure relieving material that gently molds to the shape of the body * Helps to alleviate motion transfer so both you and your sleep partner will sleep more soundly * Topper can be placed right on top of your existing mattress and never needs turning * Do not wash, spot clean only * Twin: 1.5" H x 37" W x 73" D, 5.5 lbs * Twin Extra Long: 1.5" H x 37" W x 78" D, 6.25 lbs * Full: 1.5" H x 52" W x 73" D, 7.275 lbs * Queen: 1.5" H x 58" W x 78" D, 8.25 lbs * King: 1.5" H x 74" W x 78" D, 10 lbs * California King: 1.5" H x 70" W x 82" D, 10 lbs