From BodiPEDIC, this bed topper features: 3-inch soft  plush AeroFusion memory foam gently cradles the body to relieve pressure points and enhance spinal alignment to relieve pressure points  Memory foam is infused with copper to promote odor control through antibacterial properties for fresh and clean sleep Built-in AeroFusion Ventilation Technology allows for maximum air flow and temperature regulation to promote heat dissipation for cooler rest 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 11lb. 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" 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. BodiPEDIC 3-Inch Copper Infused Memory Foam Mattress Bed Topper