sweetnight 12 inch queen size mattress, memory foam queen cooling mattress for cool night sleep, 5-zone ergo support for pressure relief, medium, certipur-us certified grey & blue queen (u.s. standard) 12 inch is up for auction in Home & Kitchen. The current bid is $59.00, 85% below the $399.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.