Thank you for viewing. This is a Tekion Heater M size, which gently warms pets with far-infrared rays. It's washable and easy to adjust the temperature! * Product Name: Far Infrared Dekin Heater M * Size: M Used for one season and stored at home for a long time. The cover has some fraying due to use. ※ I checked and it powered on without any problems when listing the item. Please consider this item, understanding that it has been stored at home for a long time.