1.【Skin-friendly material】: This nipple contact protective cover is made of soft silicone, which is safe for mothers and babies. 2.【Intimate contact】: This nipple cover is available in full-circle, semi-circular, and triangular shapes, allowing you to maximize contact with your child's skin during breastfeeding and maintain close contact. 3.【Practical storage】: This product is equipped with a storage box, and the nipple cover can be stored hygienically. 4.【How to use】: Wipe clean the nipple and areola with a wet wipe before use, cover the breast with the protective cover and hold it by hand before breast-feeding. After use, please wash it with clean water or place it in a sterilizer for disinfection. 5.【Auxiliary breast milk】: This patch is aimed at inverted and flat nipples, physical traction, and assist breastfeeding. For cracked nipples, protect nipples and reduce continued damage. During the baby teething period, prevent pain and bite, and breast milk transition.