Features: 1. Select pure natural herbal raw materials, safe and healthy. 2. Made in accordance with scientific proportions, the effect is remarkable, protecting your knees and lumbar spine. 3. This product is rich in natural active ingredients that stimulate the body and boost metabolism. This process tones your skin and relieves stress, and your skin looks radiant. 4. Using it for a period of time can remove moisture from your body, promote blood circulation, and strengthen your body. 5. Be careful not to use on ulcerated skin. Pregnant women should use with caution. Use with caution in those allergic to wormwood. Specifications: Size: about 10*8*2cm Application: Health Care, Massage Material: Chinese prickly ash, ginger, mugwort leaves Notes: 1. Due to the lighting effects and shooting angles, there is a color difference in the product, please understand. 2. Due to manual measurement, there is a tolerance in the product size. includes: 16pcs* Ginger Self-Heating Joint Patches