TWO MATS: 1 Medium (22" x 18.5") and 1 Small (17" x 11")
COZY & COMFORTABLE: A velvety cover on top and padded with thick, soft, hypoallergenic foam that will stay springy for years
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
SELF-HEATING MATERIAL & NOT 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