Tommee Tippee Close to Nature Fast Flow Teats are specially designed to smooth the transition from breast to bottle through an easy latch on and breast-like teat that mimics the natural flex and movement of a mum's breast for a comfortable feed. Loved by mums and babies, our award-winning, easy latch-on, breast-like teat feels closer to the 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 a skin-like feel and would recommend it to others. All Closer to Nature bottle teats feature an anti-colic valve to prevent the symptoms of colic by ensuring your little one ingests more milk and less air. Key Features of Tommee Tippee Close to Nature Medium Flow Teats Breast like teat Encourages natural latch Anti Colic technology Easy to clean & bpa free Which flow rate do I need? Every baby is different but as a guide, we suggest slow flow for 0+months, medium flow for 3+ months and fast