specially designed vacuum pump improve size and shape or breast without any aching and health threat beauty equipment 1 year warranty ce approval. function: (we have different sizes of cups for you to choose from.) 1. breast enhancement, breast strengthening, and buttock lifting. (solve the problems of a flat chest, left and right asymmetry, lax buttocks and sagging, etc.) 2. correct the nipple shape and repair the nipple. (solve the inverted nipple and the deviation of the nipple) 3. scrapping, detoxification, and cupping. 4. for endocrine regulation and lobular hyperplasia of the mammary gland.