silverette are mini cups that are worn over the nipples, helping to prevent, protect and alleviate sore, damaged nipples from breastfeeding. made of 925 sterling silver, silverette cups take advantage of the natural antimicrobial and anti-inflammatory properties of silver, providing a healing environment for breastfeeding nipples. they are non-toxic, eco-friendly and so easy to use! best of all, with a little care, silverette cups will last forever! Whether you breastfeed one child or 10, these cups will see you through your entire breastfeeding journey.