With our award-winning** Advanced Anti-Colic baby bottle, switching between breast and bottle feeding has never been simpler. With our breast-like nipple and unique anti-colic technology, it could just be the best thing for baby, since you! Inspired by mom, designed by experts.This is no ordinary bottle. Tommee Tippee Advanced Anti-Colic bottles work a little differently from regular bottles to help combat colic while ensuring a comfortable feeding experience for you and your baby. The unique 3-piece anti-colic venting system draws air away from milk and the star valve keeps milk from traveling up the tube, meaning less gas, reflux and discomfort – 84% of moms who used our anti-colic bottles agreed they reduced their baby’s colic symptoms.* Plus, the anti-colic venting tube comes with a built-in heat sensing strip that gives you extra reassurance that the milk is a safe temperature for baby. Loved by moms and babies, our easy latch-on, breast-like nipple feels closer to skin and mimics the natural flex and movement of a mom's breast for a comfortable feeding. 95% of moms reported that their baby accepted the super soft silicone nipple with skin-like feel and would recommend to others.*Easy to clean and suitable for use in the dishwasher, microwave and steam sterilisers. 100% BPA-free for complete peace of mind.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 nipples are only compatible with Advanced Anti-Colic bottles.How often should I replace the bottle nipples?We recommend changing your bottle nipples every two months. And you should change them immediately if they're damaged or weak.* Based on 2021 study of 524 parents who use Tommee Tippee bottles.** Made for Mums March 2020