Feature: 1. DOUBLE SUCTION CUP: The double layer shield fully wraps the nipple, truly realizing the double layer protection inside and outside. Super strong adsorption, not easy to slip off. 2. BETTER SEALING EFFECT: Air will not flow into nipple shield body, causing the baby to have flatulence. Petal shaped nipple shield, fit various chest shapes. 3. SCOPE OF APPLICATION: Breastfeeding nipple shield is suitable for mother with flat or sunken nipples, soreness during breastfeeding, difficulty in sucking milk for baby, and baby in the teething period. 4. SOFT SILICONE: Nursing nipple shield is made of food grade silicone, safe and eco friendly, odorless, soft and skin friendly, easy to clean, durable for use. 5. PORTABLE DESIGN: Important and practical tool for nursing mother, compact and lightweight, comes with box for easy storage, perfect for home, travel, outdoor activity, etc. Specification: Item Type: Nipple Shield Material: Food Grade Silicone Scope of Application: Those with flat or sunken nipples (difficulty in breastfeeding), soreness during breastfeeding (wounds on nipples), difficulty in sucking milk for the baby, and the baby is in the teething period Cleaning Method: Hot water rinse. Package List: 2 x Nipple Shields2 x Box Note: Rinse and clean with hot water before use. Do not boil or soak in hot boiling water, otherwise it will become smelly and deformed. If there are bite marks, ruptures, expansion, etc. after long term use, replace it immediately.