Rejuvenate your mattress with enhanced support and refreshing comfort found in the Bodipedic(tm) 4-inch gel-infused memory foam mattress topper. Four inches of plush AeroFusion memory foam offers supportive spinal alignment to relieve pressure points and is infused with gel to promote heat dissipation so you can enjoy cooler sleep throughout the night. Built-in AeroFusion Ventilation Technology provides maximum airflow and temperature regulation. The odor-free memory foam meets CertiPUR-US standards for content, emissions, and durability for long-lasting comfort. Soft AeroFusion memory foam gently cradles the body to relieve pressure points and enhance spinal alignment. Spot clean foam with mild detergent. Let air dry away from direct sunlight and heat. Topper: Dimensions: 74"H x 38"W x 4"D Weight: 8.1lbs XL Topper: Dimensions: 79"H x 38"W x 4"D Weight: 8.7lbs Full Topper: Dimensions: 74"H x 53"W x 4"D Weight: 11.4lbs Queen Topper: Dimensions: 79"H x 59"W x 4"D Weight: 13/5lbs King Topper: Dimensions: 79"H x 75"W x 4"D Weight: 17.1lbs California King Topper: Dimensions: 83"H x 71"W x 4"D Weight: 17.5lbs 5-year Limited Warranty This item requires oversize delivery. Please refer to the Order Summary in the Shipping step at checkout for delivery charge.