The constant penetrating heat provided by Heat Therapy Patch increases blood flow to the painful area, providing oxygen and nutrients to aid the healing process, quickly and effectively alleviating sore, achy muscles and joints. The penetrating heat lasts up to 8 hours, plus a further 8 hours relief after you take it off
-Recommended for muscular pain, strains and joint stiffness.
-Long lasting relief of muscular & joint pain
-Air activated and odor-free