About Product:1. All products are 100% new, workable and checked carefully before sending out. 2. All products are made of Medical grade material, 100% safety, harmless to the body. Warm tips: *Clean the product before and after each use. * Do not use alcohol, gasonline or acetone cleaners. * Do not put the product directly into boiling water to clean it. * Do not use the product under swollen or damaged skin. * For adults only, please keep the product out of the reach of children. * Avoid direct sunlight and do not expose the product to high temperature environment. * This product is a personal belonging, not for mix use of many people for your health, and the use shall be immediately stopped if discomfort or irritability appears.