Helps your baby latch onto your breast easily by drawing out your inverted nipples.Some Women may feel little pain or not pleasure using the nipplesuckers to clamps your nipples , you could use nipple cream or nipple butter firstly,then you would feel pleasure and better. Made of 100% medical silicone material, super soft and safe, will greatly reduce the burden on the skin. By covering the nipples which are small, flattened or inverted, the nipples are drawn out by the pressure, and are molded into suitable shape for breastfeeding. The strength of attraction can be adjusted by the flexible squeezer. The nipple tractor is simple in structure, not only can utilize negative pressure to drag and pull nipples, but also can be adaptable to different using angles, and is convenient in use. The size is similar to nipples and can be put on the bra and other clothes after wearing, without affecting appearance and is convenient for daily care. 2 Pair Product Name: Nipple Correctors ,Attached with clear carrying box, easily to storage. Material: 100% medical silicon gel and PC circle Size Outside diameter: 1.4 Inside diameter: 0.65 Height 1.1 Color: Clear Packing:2 in a PP box Design principle: Gas pressure and vacuum principle Suitable crowd: For women who are prepare to breastfeed but with flattened, small or inverted nipples. For women with flattened, small or inverted nipples which have no relationship with breastfeeding.