fansace king mattress (upgraded high-end) 18 inch luxury king hybrid mattress in a box, cooling gel memory foam and bagged springs, back pain, extra support for | with gel memory foam & pocket springs, 7-zone support & pressure relief, reinforced edge support, 365-night trial, medium firm is up for auction in Home & Kitchen. The current bid is $77.00, 91% below the $899.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.