Mattress Wedge Only, 5-Inch King Inclined Bed Wedge Mattress Topper for Acid Reflux, GERD, Neck & Back Pain, Snoring, Adjustable Elevator Under Mattress Support for Bedroom is up for auction in Home & Kitchen. The current bid is $5.20, 96% below the $139.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.