Thank you for viewing. This is a Tekion Heater Square M size, which gently warms pets with far-infrared rays. It's washable and easy to adjust the temperature! * Product Name: Far Infrared Tekion Heater Square M Although unused, the outer box is damaged, and there is no instruction manual, so I'm listing it as "Like New." *I tested it when listing it, and it worked without any problems. Please consider this item, understanding that it has been stored at home for a long time.