From BodiPEDIC, the 2-Inch Gel-Infused Memory Foam Mattress Topper with Circular-Knit Cover features: 2-inches Supportive 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 for refreshing slumber Built-in AeroFusion Ventilation Technology provides maximum air flow and temperature regulation through enhanced breathability. Included circular-knit fabric cover adds a layer of smooth softness and comfort and is removable for easy cleaning Odor free memory foam meets CertiPUR-US standards for content, emissions, and durability for long lasting comfort.  Memory foam fill  Twin approx. 74" L x 38" W x 2" H; weight 5.7 lb. Twin Extra Long approx. 79" L x 38" W x 2" H; weight 6.1 lb.  Full approx. 74" L x 53" W x 2" H; weight 7.9 lb.  Queen approx. 79" L x 59" W x 2" H; weight 9.4 lb.  King approx. 79" L x 75" W x 2" H; weight 12 lb.  California King approx. 83" L x 71" W x 2" H; weight 11.9 lb. Fabric content: Top and Gusset: 100% Polyester, Bottom: 80% Polyester/20% Cotton Remove cover to machine wash and dry. Spot clean foam 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 Imported.