⇙Natural Herbal Ingredients: This adhesive heat patches use natural Chinese herbal medicine ingredients, are non-toxic, safe for daily use, safe and skin-friendly without irritation. ⇙Self-heating Design: The heating patch is sticky and not easy to fall off when attached to the body. It has a self-heating design. After cleaning the skin, just stick the patch on the knee. ⇙Relieve Muscle Fatigue: The warm heat released by our adhesive heat patch can help you relieve muscle fatigue and help you re
