ohgeni 100% waterproof twin xl size mattress protector,mattress soft pad,pet hair & bedwetting resistant,cooling fitted sheets,washable bed cover,non-slip deep pocket,noiseless for college dorm rooms 1- white twin xl is up for auction in Home & Kitchen. The current bid is $1.00, 95% below the $19.98 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.