Manufactured by plant extracts. Adopts unique moxibustion heat therapy. When it's applied to your skin, it actually reduces the sensation of pain. Heat stimulates thermo receptors which block body's pain transmitters from sending pain signals to the brain. Heat increases circulation to the injured or sore area, which means more oxygen and nutrients are sent to the damaged tissue. It also has great effect on improving blood circulation. Features:1. The moxibustion has long been used as a natural remedy to relieve pain and reduce joint stiffness. 2. It's self-heating, it can penetrate deeply into the muscle right where it hurts.3. Heat helps stretch the soft tissues, relax muscles, which promotes flexibility and helps to decrease stiffness.4. It works on relieving the pains of back, neck, shoulders and the whole body.5. Self-heating patch design, you just need to stick it on the painful area, easy to use.Specification:Item Type: Moxibustion Sticker Material: Non-woven FabricMain Ingredient: WormwoodQuantity: 20pcs/BoxAppicable Parts: Neck, Shoulder, Back, Leg, Arm, Waist, etc.Package Weight: 67gPackage List:1 x 2pcs/Box Moxibustion Sticker .