With our award-winning** Closer to Nature baby bottle, switching between breast and bottle feeding has never been simpler. With our breast-like nipple and built-in anti-colic valve, it could just be the best thing for baby, since you! Inspired by mom, designed by experts. 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 feed. 95% of moms reported that their baby accepted the super soft silicone nipple with skin-like feel and would recommend to others. * All Closer to Nature bottle nipples feature an anti-colic valve to prevent the symptoms of colic by ensuring your little one ingests more milk and less air. Together with the bottle’s sensitive valve, the wide bottle neck encourages your baby’s intuitive feeding action. Designed to be held in the most natural position during feeding, the compact shape of the bottle also allows baby to be closer to you. Tommee Tippee Closer to Nature baby bottles are available in a wide range of sizes, colors and decorations. Nipples are available in a range of flow rates too, so the milk can flow faster as your baby gets hungrier! The wide neck bottle makes cleaning easy, and the bottles are suitable for use in the dishwasher, microwave and steam sterilizers. 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. Closer to Nature nipples are only compatible with Closer to Nature 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 moms March 2020