This patch can relieve various pains such as rheumatoid arthritis, bone hyperplasia, joint pain, tenosynovitis, strain and sprain, sciatica, and fibromyalgiaApplicable User: All except pregnant, infant, diabetes, fever, allergic, skin ulcerated patientsFeartures: 1This is a heat patch set, suitable for knee2Made from plant extracts with unique heat therapy The heat helps to stretch soft tissue, relax muscles, relieve pain and reduce joint stiffness3Ergonomic design and fine cut lines for comfort, cold tolerance, keeping warm, blood circulation, inflammation and pain relief The heat patch can be conducive to blood circulation, heat up to a therapeutic temperature, effectively relief and melt stress and muscle tensionWeight:10gPackage included: 36pcs knee heat patches