Features: 1. This knee pad is made of selected pure natural herbal extracts such as wormwood, cinnamon, eucalyptus, osmanthus, peppermint, etc., without any additives, and has a strong herbal scent. 2. The patch provides up to 10-12 hours of warming effect, designed to soothe the knee joint, relieve discomfort, and support knee health. 3. Unlike traditional moxibustion, this product is compact, lightweight, easy to carry, skin-safe, and smoke-free. 4. The ergonomic design fits the natural curve of the knee and allows freedom of movement during use. 5. The patch is skin-friendly, breathable, with strong adhesion, stays in place without slipping, and remains comfortable during extended wear. 6. It helps provide relief for cold knees, chills, leg pain, joint stiffness, leg numbness, squatting discomfort, and knee weakness. Precautions: 1. For external use only. Do not ingest. 2. Mild skin redness, pigmentation, or slight itching after use may occur and are normal reactions. 3. If itching, burning, or pain occurs during use, remove the patch immediately. 4. Discontinue use if adverse reactions such as redness, rash, or blisters appear. 5. Avoid scratching the area. Do not apply other medications without authorization. Reactions typically resolve on their own. 6. Do not use on pregnant women, nursing mothers, infants, individuals allergic to wormwood, diabetics, those with high fever, or open skin wounds. 7. This product is not a medical device or substitute for medicine. Package Included: 12 patches per box Wormwood Knee Patch / Wormwood Lumbar Patch / Wormwood Cervical Patch