Brand New and High Quality. Type: Nipple Protector. Material: Silicone. Color: Transparent. Size: S: 1.5 cm, M: 2cm, L: 2.4 cm. Package Includes: 2Pcs/Box Breastfeeding Nipple Protector. How to use: 1. Wipe the nipple and areola area clean with wet wipes before use. 2. Put the shield over the breast and press it with your hand before breastfeeding. 3. After use, please wash it with water or place it in a sterilizer for disinfection. Suitable for: flat or inverted nipples, pain during breastfeeding, difficulty in sucking milk for babies, and babies in teething period.