The Medela Contact Nipple Shield is a breastfeeding aid designed to help mothers experiencing latching difficulties or nipple discomfort. This medium-sized shield is made of soft, BPA-free silicone and includes a protective storage case. This product is a personal hygiene item intended for breastfeeding support. The nipple shield should be thoroughly cleaned and sterilized before first use and after each subsequent use. Store in the included protective case when not in use. Always consult with a lactation consultant or healthcare provider before using nipple shields.