Thinkbaby's Cross Cut (Fast Flow) Nipple comes with their patented anti-colic design. The design helps reduce the occurrence of colic (gas and spit up). Venting systems not only reduce gas and spit up, they have also been shown to reduce the risk of middle ear infections. Thinkbaby's simple, one piece design, is built right into the nipple. Thus, there are no extra parts to lose or clean.

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