The Gel Memory Foam 4 Inch Topper from Spa Sensations by Zinus is dual layered to provide the comfort and pressure relief of memory foam with the support of a high density foam base. The top layer features 2 inches of gel memory foam to provide a cooler sleep surface. This cooling mattress topper regulates body temperature to relieve the stress and perfectly contours your body curve for full support . A cover is not included as our memory foam topper can fit under any standard fitted or deep-pocket fitted sheet. Please open your mattress topper package within 72 hours of receipt and allow 48 hours for your new mattress topper to return to its original, plush shape. 
• 2 inches Gel Memory Foam for cooling comfort
• 2 inches High-density Base Support for durability and support
• Only the Highest Quality Foam – Foam is CertiPUR-US Certified for durability, performance, and content

• Smartly Shipped - Our patented technology allows our mattress toppers to be efficiently compressed, rolled and shipped in a box conveniently to your door