Description Specifications: 100pcs Features: 1. Natural mugwort extract formula combined with far-infrared heating technology, continuously releasing warm energy to effectively promote blood circulation and relieve muscle soreness and joint discomfort. 2. No open flame required, safe and convenient, enjoy a moxibustion-like experience anytime, anywhere, suitable for use on the shoulders, neck, back, knees, and other areas. 3. Self-heating design, with a suitable average heating temperature and a duration of up to 4 hours, gentle and long-lasting, does not burn the skin, comfortable and non-irritating. 4. Lightweight and breathable material, flexible and conforms to the body's curves, allowing for free movement and preventing it from falling off easily, suitable for the whole body, at home and on the go. 5. No drug residue, non-invasive physiotherapy, suitable for daily health maintenance by those who work at desks for long periods, the elderly, and those with cold constitutions. Comments: 1. Manual measurement tolerance is 2-5g. Please do not mind your replacement. 2. Due to differences between different monitors, the image may not reflect the actual color of the item. Thank you very much! 3. SKU color is the color of the product packaging. Package includes: 1 * Mugwort Heating Patch