DESCRIPTION: The SuckleThrough Nipple Shield is designed to help moms with elastic nipples to nurse or wean from traditional nipple shields. The open top allows the mother's nipple to extend into the baby's mouth and come into direct contact with baby's saliva. It also helps protect from a bad latch and create a more comfortable experience. Size S is good for nipple size 15-20mm. Contains 2 nipple shields.