lansteen foldable mattress twin size, 6 inch cooling folding mattress/topper, breathable absorbs heat fabric, washable trifold memory foam mattress, portable floor bed for guest, yoga, camping twin - 6 inch is up for auction in Home & Kitchen. The current bid is $12.50, 93% below the $189.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.