Kingfun Memory Foam Folding Mattress, 4 Inch Gel-Infused Foldable Floor Mattress, Breathable Tri-fold Mattress Topper with Bamboo Cover, Soft Folding Foldable Portable Floor Guest Bed (Full) 4 inch Full is up for auction in Home & Kitchen. The current bid is $8.50, 95% below the $170.00 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.