The Medela Contact Nipple Shield is a breastfeeding aid designed to help mothers experiencing latching difficulties or nipple discomfort. This medium-sized set includes 2 shields and a convenient storage box for hygienic storage and transport. Made from BPA-free, medical-grade silicone in size medium (20mm). The ultra-thin, transparent design promotes skin-to-skin contact while protecting sensitive nipples. Includes a protective storage case and can be sterilized by boiling or steaming. Suitable for addressing issues like latching difficulties, sore nipples, or flat/inverted nipples.