specification: Item Type: Nipple Corrector_x000D_Material: Silicone_x000D_Suitable for the Crowd: Can be used by girls with inverted, short, flat nipples/pre-pregnancy/postpartum mothers. Features: 1Correction Of Nipple: Through the baby sucking the nipple cover, mother's nipple is stretched, which can improve the symptoms of inverted nipple. 2Relieve Pain: Protect the nipple, nipple shield may help reduce friction and relieve pain caused by breastfeeding. 3Reusable: Soft and thin, comfortable to wear, suitable for different breast curves. Washable and reusable, clean and hygienic. 4Humanized Design: Pacifier shape, suitable for babies. Porous design, convenient for baby to suck milk, considerate design. 5Good Material: Made of high quality silicone material, eco friendly, skin friendly and durable. Equipped with a box for easy storage. PackageList: 2 x Nipple Corrector 1 x Storage Box