Pet Magasin Thermal Self-Heated Bed for Cat, Pack of 2 Package includes two mats: 1 large (22" x 18.5") and 1 small (17" x 11") Self-heating. Includes a layer of mylar film, the same super-insulating material used in spacesuits. Absorbs, holds, and reflects your pet's body heat, and insulates them from cold floors Super comfy. A velvety cover on top and padded with thick, soft, hypoallergenic foam that will stay springy for years Rubberized underside so they stay where you put them, and won't be a slipping danger if someone steps on them Manufactured and sold by Pet Magasin, this product comes with a 2-year warranty and 100% money-back guarantee