dumos 4 inch memory foam mattress topper king, 5-zone cooling gel infused pressure relief mattress pad for back & hip pain, soft dorm rv camping bed topper, certipur-us certified, blue 4 inch blue king is up for auction in Home & Kitchen. The current bid is $1.00, 99% below the $69.96 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.