Medium Flow Nipple

Two BPA-free nipples
Makes the switch between breastfeeding and bottle-feeding easy
Nipple comes in 5 sizes: extra slow flow (0), slow flow (1), medium flow (2), fast flow (3), and cross cut
Patented nipple design is unique because baby has to strip the milk out of the nipple similar to breastfeeding
Designed so that the nipple won't collapse while drinking
Suitable for breast milk and formula