From BodiPEDIC, this bed topper features: Enjoy supportive comfort when resting on three inches of responsive memory foam found in the AdaptiFoam Memory Foam Mattress Bed Topper.  3-inch Supportive AdaptiFoam memory foam cradles the body to relieve pressure points and enhance spinal alignment Our open-cell AdaptiFoam memory foam is breathable, responsive, allergy free, and contains the rebound and firm support of latex Built-in AdaptiFoam Ventilation Technology allows for maximum air flow and temperature regulation to promote heat dissipation for cooler rest Odor free memory foam in this mattress bed topper meets CertiPUR-US standards for content, emissions, and durability, and has been analyzed by independent, accredited testing laboratories Memory foam fill Twin approx. 74" L x 38" W x 3" H; weight 8 lb. Twin Extra-long approx. 79" L x 38" W x 3" H; weight 9 lb.  Full approx. 74" L x 53" W x 3" H; weight 11 lb.  Queen approx. 79" L x 59" W x 3" H; weight 14 lb.  King approx.  79" L x 75" W x 3" H; weight 17 lb.  California King approx. 83" L x 71" W x 3" H; weight 17 lb. Spot clean only. Do not machine wash or dry. Use mild detergent, no chlorine bleach. Allow to air dry away from direct sunlight. 5-year limited manufacturer's warranty Made in USA. BodiPEDIC 3-Inch AdaptiFoam Responsive Memory Foam Mattress Bed Topper