View on LOZ Suggested Retail: $274. Dormeo Twin Mattress Topper - Relieving Octaspring Technology Mattress Topper - Twin Mattress Bed Toppers, Cooling Mattress Topper - 3 inch Mattress Topper Twin - Mattress for Twin Bed. ERGONOMIC MATTRESS TOPPER THAT STAYS IN PLACE- Dormeo Twin bed mattress topper conforms to your body’s natural contour for pressure-relieving, balanced support. Our twin mattress topper has an anti-slip bottom which keeps the topper in place.. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.