sebor air mattress with built-in pump, comfortable self-inflating air mattress with high-speed pump, durable blow up mattress twin with storage bag for guest, camping (khaki white, 18" twin xl) 18" twin xl khaki white is up for auction in Home & Kitchen. The current bid is $1.00, 99% below the $66.99 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.