A. Ergonomic design: It fits the facial contour well, and the foldable ring design suits most face shapes. B. Reusable: This double chin corrector can be hand - washed or machine - washed in water at a temperature ranging from 14°C to 30°C and can be used multiple times. It is a cost - effective product. C. Easy to use and carry: You can adjust the intensity as per your needs and use it while reading, sleeping, watching TV or doing housework. It is small in size and light in weight, suitable for use in the office or at home, and also convenient to carry while traveling. D. Fits the chin arc: It fits the chin arc closely and is effective in tightening and lifting. By using it regularly, you can gradually make your facial lines firmer. E. Good material: The material is soft and skin - friendly, has a decent lifting effect, causes no sense of tightness, and has good breathability.