From BodiPEDIC, this bed topper features: 3-inch dual layer construction allows you to choose between two sides of support to fit your needs One side of soft AeroFusion memory foam gently cradles the body to relieve pressure points and enhance spinal alignment and is infused with cooling gel to promote heat dissipation The opposite side features five zones of convoluted foam to evenly distribute body weight to provide the correct amount of support for each section of the body while allowing for maximum airflow Odor free memory foam in this mattress 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 the USA.