Features: Concentrated and boiled with a variety of natural herbal essences. It is designed with self-heating cervical pain relief patch, without any side effects, safe and non-irritating, not prone to allergies, and non-addictive. Made of multiple plant extracts such as wormwood, the Pain Relief Patch is designed to be self-heating, providing fast, long-lasting and deeply penetrating pain relief for sore muscles, sore joints and arthritis. The natural plant safe ingredients of the pain relief patch are safe and gentle on the body. It is suitable for men and women with knee pain, muscle soreness, low back pain, tenosynovitis, strain and sprain, etc. Our cervical patch can heat up quickly, promote blood circulation, and effectively relieve pain for up to 6-12 hours at a time. The pain relief patch also has a strong penetrating power for targeted relief. Easy to use, the size of the cervical pain patch is 9.5*13cm, you can cut it to any size. This cervical patch will heat automatically, start heating after 20 minutes of use, and keep heating for 6-12 hours. But it doesn't burn your skin, it just warms your skin. Just clean the affected skin with warm water, remove the protective film, then stick the pain relief patch on your painful area, enjoy pain relief and relaxation immediately. Suitable for all age groups, such as office workers or sports enthusiasts, it helps to improve symptoms such as joint swelling, muscle fatigue or sprains.✓ WIDE APPLICATION?Whether you are an office worker, driver, soldier, athlete, dancer, athlete, elderly, housewife, etc., you can use this neck 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 the neck, the cervical patch measures 9.5*13cm and can be cut to any size you want. The neck plaster 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. ✓ QUICK ONSET AND LONG-LASTING EFFECT?Put the wormwood knee pads on the sore cervical spine, and you will get immediate 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 neck joint pains, achieve the effects of keeping warm, promoting blood circulation, removing blood stasis, reducing inflammation and relieving pain.