Bullet Point: 1. Chinese herbal medicine takes plant extracts, pure natural herbal ingredients with no side effects. self-heating pad design, you just have to stick it on the body area, easy to use. 2. Heat helps stretch the soft tissues, relax muscles, which promotes flexibility and helps reduce stiffness. Paste for reducing pain in the body. 3. Quickly reduce pain, reduce joint pain, back pain, neck and shoulder pain. It is self-heating, it can penetrate deep into the right muscle where it hurts. 4. Works for all ages. Applies to office workers, help improve swelling, fatigue and other symptoms. 5. These pads are comfortable to use and easy to use and wear. Specifications: Category: Physiotherapy stickers Main ingredients: wormwood Shelf life: three years Package included: 12pcs Wormwood Knee/Cervical Plasters Step: 1. clean and dry affected area 2. remove the plastic backing from one side of the patch. 3. Smooth the side over the area where you want pain relief. 4.As you remove the other half of the plastic layer, smooth the rest of the patch over the pain area. 5. remove fuse film and apply. 6. 8 hours for each time, 5 times a week for a process.