Made of polypropylene and with our state-of-the-art Welltex fabric, infused with ceramic powder, the pad reflects your horse’s natural body warmth and creates a soothing far infrared thermal heat. Tired or sore back muscles experience relief from this soft heat therapy. To be used under your regular saddle pad, helping your horse’s back muscles loosen, relax, and warm up quickly. The gentle heat increases blood flow, which helps relieve muscle tension and pain. Wonderful for all horses!