Natural latch: Made from soft silicone, Tommee Tippee teats are shaped like a breast to encourage a natural latch and help to prevent nipple confusion when switching between breast and bottle feeding Built-in anti-colic valve: Tommee Tippee Natural Start teats have an anti-colic valve that's proven to reduce air ingestion* Paced feeding: Each soft silicone baby bottle teat flexes and stretches like a breast to help your baby feed comfortably at their own pace Simple self-sterilising: The quickest and easiest self-sterilising bottle on the market*, a Tommee Tippee Natural Start baby bottle can be easily self-sterilised in the microwave in just 3 minutes Spill, mess and leakproof: When the screw ring, teat and cap are all secured, this Natural Start baby bottle is completely leakproof, even if it’s turned upside down, shaken or dropped