1-piece Anti-Colic Air vent is built into the nipple to help reduce colic, gas, and spit-up; plus, no extra parts to clean
Baby bottles feature the Perfect Fit nipple, which is the same shape as Mom's nursing nipple for the Perfect Fit in baby's mouth
Perfect Fit silicone nipple features Soft Zone, which provides greater comfort for your baby; soft satiny finish conforms to baby's palate
10 oz bottles come with a medium flow nipple
BPA-free and dishwasher safe