sweetnight ((the correct size was not found. ))sweetnight coolnest 14 inch king size mattress, hybrid king mattresses with duosense pillow top & memory foam for feels up to 8° cooler, medium firm mattress for pressure relief certipur-us certified king (u.s. standard) 14" is up for auction in Home & Kitchen. The current bid is $51.00, in Good Condition. This auction has ended — similar items appear in live auctions regularly.