◈Safe and Natural: The moxibustion patch for the neck is made of natural Chinese herbal medicine, which is safe and non-irritating, skin-friendly and has no side effects, making it more secure to use. ◈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 Fatigue: This moxibustion cervical patch releases warm and comfortable heat to help you relax your