The LaVie Silver Nursing Cups are made from 925 sterling silver to help soothe and protect from discomfort between breastfeeding sessions. These silver nursing cups are just what your nursing nipples need. LaVie lactation-friendly silver nipple shields for breastfeeding moms. Silver is naturally antimicrobial, antibacterial, and antifungal & has anti-inflammatory benefits to encourage relief of soreness, cracks, and infections. The top three main advantages of silver nipple cups over other remedies such as creams or chemical disinfectants: They do not cause dryness or irritation of the breast skin They do not release substances that are harmful to the baby or a bad taste that the baby would not like.