Product Features 

-Unique, easy-latch-on nipple shape
-Super-sensitive anti-colic valve
-Soft, natural-feel silicone nipple
-Easy-hold bottle with medium-flow nipple
-BPA-free

Designed To Help Reduce Air Bubbles in Milk that Might Cause Colic Closer to Nature Sensitive Tummy bottles provide optimum venting during feeding via a unique tube and valve system. They also help provide a continual feeding action via an easy-latch-on nipple.