Deep Heat Pain Relief Back Patch provides targeted, long-lasting, odorless, warming pain relief for back pain, muscular aches, pain, strains, spasms, and joint stiffness. Can be used for hip, thigh, neck, and shoulder pain. The patch activates within 1 minute and will heat up within 5 minutes providing penetrating warmth for up to 8 hours. Once removed it can continue to provide pain relief for a further 8 hours.
