Buddsbuddy Premium Wide Neck Nipples |Anti Colic Silicone Teats 2PcsBuddsbuddy Natural+ Silicone Anti colic teat is designed for uninterrupted feeding. Air is vented into the bottle and away from the babys tummy. The ribbed texture prevents teat collapse and reduces feeding interruptions and discomfort. Anti colic valve proven to reduce colic Our anti colic valve is designed to keep air away from your baby's tummy to reduce colic and discomfort. As your baby feeds, the valve integrated into the teat flexes to allow