✓ WIDE APPLICATIONS?Whether you are an office worker, driver, soldier, athlete, dancer, athlete, elderly, housewife, etc., you can use this knee relief patch to relieve various discomforts. It's also a perfect gift for parents and friends!. ✓ FLEXIBLE USE AND FIT?Lightweight, breathable and specially designed for knee pads size 10*13.5cm, can be cut to any size you want. The knee balm contains a skin-friendly adhesive that conforms well to your body. It is very convenient to use, just tear off the protective film and stick the pain relief patch on the painful area. ✓ FAST ONES AND LONG LASTING?Put the wormwood knee pads on your sore knees and you will get instant relief in a short time. The continuously heated patch has strong penetrating power and targeted pain relief, which helps to improve blood circulation and relieve symptoms such as edema and fatigue. ✓ INSTANT PAIN RELIEF?Pain Relief Hot Patch has strong penetrating power and provides targeted pain relief. Rapid warming and effective pain relief, suitable for rheumatoid arthritis, muscle pain, back pain, osteoarthritis, knee pain, tenosynovitis, strains and sprains, sciatica. ✓ NATURAL CHINESE HERBAL MEDICINE?A variety of 100% pure natural herbal extracts are used, concentrated and boiled, safe and non-irritating, not prone to allergies, without any side effects, and non-addictive. Gentle and warm, slow release, no burning sensation, quickly relieve various knee joint pains, and achieve the effects of keeping warm, promoting blood circulation, removing blood stasis, reducing inflammation and relieving pain.