Safe and effective: The patch to relieve pain mq tiger, relieves pain in the knee, back, muscles, joints, shoulders and neck, plaster contains ingredients of natural herbs without side effects. Long duration: The patches to relieve pain can last up to 12 hours depending on the applied areas, patches to relieve pain have good air permeability and good water permeability, very comfortable to use natural ingredients: our Chinese patches for pain relief They adopt all active ingredients based on natural herbs, providing a deep penetration heat. Excerpt from plants, safe and without stimulation, breathable and comfortable, after adhering to the body part, it will not give it the feeling of humidity and congestion.