Tommee Tippee Advanced Anti-Colic teats are designed to be used together with Tommee Tippee Anti-Colic bottles. The sensitive teats and unique anti-colic technology in the bottles help to combat colic while ensuring a comfortable feeding experience. 84% of mums who used our anti-colic bottles agreed they reduced their baby's colic symptoms. Loved by mums and babies, our award-winning, easy latch-on, breast-like teat feels closer to skin and mimics the natural flex and movement of a mum's breast for a comfortable feed. 95% of mums reported that their baby accepted the soft silicone teat with skin-like feel and would recommend to others. Which flow rate do I need? We offer different flow rates to keep up with your growing baby. Every baby is different but as a guide we suggest slow flow for 0+months, medium flow for 3+ months and fast flow for 6+ months. Advanced Anti-Colic teats are only compatible with Advanced Anti-Colic bottles. How often should I replace the bottle teats? We recommend changing your bottle teats every two months and you should change them immediately if they're damaged or weak. Customer Review = 4.8 With our award-winning Closer to Nature baby bottle, switching between breast and bottle feeding has never been simpler. When you are looking for a... Breast-like: Made from soft-touch silicone with a skin like feel for added reassurance and seamless switching from breast to bottle Natural latch: Our bottle teats are shaped to encourage a natural latch, reducing air intake and preventing nipple confusion when switching between breast, bottle and back again (Slow flow teat included with each bottle) Anti-colic: Tommee Tippee Natural Start teats feature an innovative anti-colic valve which reduces air ingestion, helping to reduce the symptoms of colic Self-sterilising: Tommee Tippee Natural Start bottles can be easily self-sterilised in the microwave in just three minutes Pace feeding: The soft silicone teat flexes and stretches like a breast and allows your baby to feed comfortably at their own pace Award winning product: Designed to empower your parenting intuition.