- They're made with Pure 999 silver with antimicrobial protection to help care for sore nipples- They work with breast milk to support natural recovery, without the need for extra creams- The curvy shape sits comfortably over the nipple and areola without pinching or squeezing - Their breathable design lets air circulate and reduces friction from clothing between feeds- They're lightweight and reusable, so you can use them for as long as you need