ThermaCare Advanced Joint Pain Therapy Heat Wraps Pain Relief Patches 4 ct Get fast temporary relief of pain with ThermaCare Joint Pain Relief Heat Therapy Patches. These heat pads have an advanced x-shaped design that provides flexible long-lasting joint pain relief wherever you may need it. Thermacare heat wraps work to relieve elbow pain knee joint pain shoulder pain back pain or ankle pain. The pain relief patches contain patented heat cell technology. They penetrate deep to the source of pain increasing blood flow to help relieve pain and promote joint repair. Thermacare Heat Wraps are activated by air and last for up to eight hours. You can apply the heat patches to sore joints and muscles and take long-lasting heat relief with you throughout your day. The thermal pads also feature four adhesive points to keep the heat wrap in place. They’re suitable for common pain often associated with joint pain stiffness tightness and arthritis. Just tear open pouch when ready to use and place adhesive side of heat patch against skin.