nipple protection cover anti-bite prevent nipple retraction auxiliary nipple stickers sanheng fire product_description<br> 1. material: silicone<br> triangular set to match female breasts<br> 2. size is suitable for nipples of 7.78-9.45inch<br> 3. increased bumps, stimulated breasts, enhanced breastfeeding<br> 4. please clean in time to ensure clean<br> 5. porous nipple, it is easier to breast milk...<br>