Multiple nipple holes provide a natural feed, just like mom's breast
9 oz. bottle comes with medium flow nipple that has 6 holes
advanced 1-piece anti-colic air system helps reduce colic, gas and spit up
super-soft silicone nipple is the same shape as mom's nursing nipple for a familiar fit
flexible nipple moves with baby for a continuous latch
tritan bottle is bpa-free and is easy to
use, assemble & clean