Mam Original Pacifier is deisnged to keep baby calm.This orthodontic nipple promotes proper oral development and are designed with parents and medical experts to closely resemble the breast for easy acceptance and a natural feel. Textured surface and multiple small openings on the pacifier shield allow air to circulate and baby’s skin to breathe. Symmetrical nipple idea for baby’s jaw development. Storage case is reusable and can be used in the microwave to sterilize pacifiers. BPA-free.