Suggested Retail:$724. Twin XL Sealy Response Performance Elm Avenue Plush 11 Inch Mattress . Rest easy on this firm mattress and wake up feeling refreshed, thanks to the responsive support of innerspring coils. At the heart of this Sealy Response Performance mattress is our exclusive Posturepedic technology, which adds extra support under the heaviest part of the body to keep you level while you sleep. You'll get that sleep-on-top feeling and support that “holds” you, while the tight top provides just the right amount of firm comfort. Plus, You'll stay comfortable throughout the night with our enhanced cover designed to draw moisture away from your body. Product Dimensions: 74 x 38 x 11 inches. . 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.