Effective Pain Relief: Relieve and soothe sore, cracked, and damaged nipples without any lotion using Willow Soothing Silver Nursing Cups; These metal nipple covers protect nipples and relieve severe pain while breastfeeding Willow nursing cups improve pain and breast soreness without the need for balms, butters or creams; Worn in Bra: Easy to use, these nipple shields can be worn in between pumping or feeding sessions; Includes a carrying case to protect the silver cups from wear and tear Safe for Mom and Baby: Designed with 950 silver for increased purity and effectiveness, our nipple covers are free of heavy metals, phthalates, BPA, and DEHP, REACH compliant Tossed the box but never used, ended up formula feeding baby so no longer needed*