Features: 1.Chinese herbal medicine Adopts plant extracts, Pure natural herbal ingredients without any side effects.Self-heating patch design, you just need to stick it on the body area, easy to use. 2.Heat helps stretch the soft tissues, relax muscles, which promotes flexibility and helps to decrease stiffness. Paste for relieving the pains of the knee. 3.Quickly relieve pain, relieve joint pain, back pain, neck and shoulder pain. It's self-heating, it can deeply into the muscle right where it hurts. 4.Works for all ages. Applicable to office workers, help to improve swelling, fatigue and other symptoms. 5.Knee patches are comfortable to use and easy to use and carry. Specification: 12pcs knee paster one box Packing list: 1 box of knee paster If you have any questions, please contact us. Wish you have a happy shopping time!