The Twistshake Anti-Colic Teats are designed for hassle-free bottle feeding. The anti-colic valve ensures a smooth milk flow, preventing colic. Their breast-shaped design mimics the mother's nipple, promoting natural sucking behavior. Made from BPA-free, harmfree silicone, these teats make the transition from breastfeeding easy and safe. They are available in various sizes to match your child's feeding needs. This pack contains 2 Twistshake M Anti-colic teats, suitable for 2+ months with a medium flow rate, made of 100% silicone.