PETNF Outdoor Cat Heating Pad - Safe Waterproof Electric Warming Mat for Feral Cats Fits Cat House Outside 28"X16" L: 28" X 16" Gray is up for auction in Patio, Lawn & Garden. The current bid is $4.50, 93% below the $60.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.