Our breast-like Natural Start bottle teats are designed to help reduce nipple confusion and make switching from breast to bottle and back again, easy*. Soft silicone stretches and feels like skin for familiar comfort, and a wide latch area and flexible ripples help support a natural latch. • 95% of babies accept a Tommee Tippee bottle* • Built-in anti-colic valve that's proven to reduce air intake* • Compatible with all Tommee Tippee Natural Start baby bottles • Always BPA free • A perfect choice of teat (and flow rate) for every feeding journey, from birth and beyond Extra Slow: For first feeds. With the smallest opening for a gentle pace, helping baby adjust to bottle latching and sucking Slow: For newborns and babies below 3 months. With a small opening for slower feeds Medium: For babies aged 3 months and up. With a medium opening for medium paced feeds Fast: For babies aged 6 months and up. With the largest opening for faster feeds Vari: For use from birth and beyond. X-shaped cut lets baby control the flow We recommend replacing the teats on your baby’s bottles every 2 months or at the first sign of any damage or weakness. *To verify, please visit the Amazon product pageBreast-like design: Our Natural Start baby bottle teats are designed with a breast-like shape and feel to help encourage a natural latch and prevent nipple confusionPerfect flow: Flow rate is as important as teat shape when it comes to bottle acceptance. Natural Start teats come in different flow rates to keep up with your growing babyNatural Start: These feeding bottle teats are compatible with all Tommee Tippee Natural Start baby bottles, the #1 bottle for easily switching between breast, bottle and back again*Built-in anti-colic valve: Tommee Tippee Natural Start teats have an anti-colic valve that's proven to reduce air ingestion*Paced feeding: The soft silicone teat flexes and stretches like a breast so your baby can feed comfortably at their own natural paceSoft & BPA-free: Tommee Tippee Natural Start teats are made from soft, BPA free silicone for added peace of mind