Back on Track Therapeutic Dog Blanket/Bed/Crate Mat, 20-Inch by 27-Inch This Therapeutic Dog Blanket/Bed/Crate Mat is constructed from a neoprene outer shell and Welltex fabric infused with ceramic particles State-of-the-art therapy product, clinically proven to reduce pain and chronic inflammation The infrared warmth can help relax your dog's muscles and relieve joint pain