Breatfeeding can be hard on your nipples. That's why Medela developed the Contact Nipple Shield. These nipple shields will bring relief to a variety of common breastfeeding issues such as latch-on challenges, soreness, flat or inverted nipples. They are safe for both mom and baby as they are made of 100% ultra-thin and soft silicone. This pack includes 2 shields as well as a carrying case for on-the-go needs.