Food Grade Silica Gel MaterialNipple suckers are made of food grade silica gel material, soft, non-toxic, odorless, skin-friendly. Easy to UseNipple extractor for inverted nipples is easy to use, no need to use other auxiliary tools, it can be sucked tightly with a light press, and will not fall. Adjust The AttractionHow to use nipple extractor for inverted nipplesPress the top to form a weak pressure, and it is easier to wear. Press the top deeply to form a strong pressure and wear tightly. And you can adjust the attraction so it is very comfort when you using it. Suitable for PregnantNipple corrector is suitable for pregnant and lying-in women of nipple retraction. When you using it youll fell comfortable. Give moms the best experience and give your baby the best experience.Cover small, flat or inverted nipples with nipple suction cups. The nipple is pulled out by pressure and shaped into a shape suitable for breastfeeding. Invisible WearingThe adjustment device of supple cups, which has the characteristics of invisible wearing and easy correction, can be placed in the underwear so that others cannot see it from the surface.