Suggested Retail:$108. Sleep Innovations 4-inch Dual Layer Gel Memory Foam Mattress Topper Enhanced Support, Twin. Dual Layer Gel Memory Foam Mattress Topper: This luxurious 2 layer mattress topper features a 2 inch soft quilted pillow top cover filled with plush fiber fill and 2 inches of cooling gel memory foam. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.