gortupi queen size japanese floor futon foldable futon mattress for floor tatami mattress portable rollaway bed for guest playmat for kids tatami sleeping pad japanese mattress for adults black a queen black-a-no cover is up for auction in Home & Kitchen. The current bid is $10.00, 86% below the $69.99 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.