Pet Magasin Cat Thermal Bed Self-Heating Pads for Small Pets, [2-Pack Combo] One Medium (22in x 18.5in) and One Small (17 x 11) : Pet Supplies

MACHINE WASHABLE: Includes a layer of Mylar film the same super-insulating material used in spacesuits; recommended to wash with hands due to the special self-heating material inside WORKING ALL YEAR ROUND: The mats generate heat just right and enough for both cold winter and warm summer so that your cats will love it all year round COZY & COMFORTABLE: A velvety cover on top and padded with thick soft hypoallergenic foam that will stay springy for years TWO MATS: 1 Medium (22 x 18.5) and 1 Small (17 x 11)