Therasage Deep Penetrating Heat Therapy Heating Pads are a superior heat therapy product that is an extremely high quality, highly effective heating pad. This cannot be compared to a typical low priced heating pad! This truly is worth every penny! Our uniquely crafted pet pads use Far Infrared heat for deep penetration into your pets body, this instills optimal relaxation and pain relief. Your beloved pet will immediately feel the Therasage difference.