Best protection: The breastfeeding nipple cover for sore nipples is a newborn essentials must haves for mothers. It is recommended to start using 10 days prior to giving birth to prevent irritation cuts, soreness or cracks that are caused by breastfeeding in advance. If you have had cracked and sore nipple, it can help to protect your nipples from painful clothing friction and help to heal. | Safe material: You will feel the first benefits in just 24 / 48h! The nursing cups surface are made of pure 999 silver that meets European standards, safe for mom and baby. It acts as a physical shield for friction, helps to fast recovery for soothing sore or cracked nipples without using nipple creamss, suitable for use by any breastfeeding mother. | Easy to use: 1. Express a few drops of breast milk into each silver nipple shield; 2. Put the silver nursing cup over your nipple; 3. Place a nursing pad over the silver cups (It helps to keep the nursing cup invisible and prevent milk leaking）; 4. Use bra of your choosing to hold everything in place (Wash once a day with water and dry before reusing) | Ergonomic design: Ergonomically designed and handmade, Boboduck baby essentials nipple shells cups adhere perfectly to the breast creating maximum comfort and maintaining the anatomical shape of the areola. The rounded apex and shape allow airflow, the edges are hand refolded to avoid any pain and can comfortably fit any size nipple without compressing it and be worn under any size bra. | Best gift for new mom: The silver nipple covers for breastfeeding is the perfect gift for new moms to help heal and soothe irritating cuts, soreness or cracks caused by breastfeeding, so that every mom can actually enjoys providing nourishment for her baby instead of dreading it. It is recommended to start using Boboduck nipple protector cups in the pre-birth period to get the most benefit.