Tommee Tippee Closer To Nature Fast Flow Anti-Colic Bottle Teats are the award-winning, easy latch-on, breast-like teat that feels closer to the skin and mimics the natural flex and movement of a mum’s breast for a comfortable feed. They’re made using soft, BPA-free silicone and designed to mimic the shape and feel of mum’s breast. Distinctive, silicone teats and motivates in the transition from breastfeeding to bottle feeding. It is easily accepted and helps to stimulate a natural latch. It has an anti-colic valve built into the teat that reduces excessive air flow, so little ones ingest more milk and less air, preventing symptoms of colic. These teats are only compatible with Closer to Nature bottles. The brand recommend changing your bottle teats every two months and you should change them immediately if they're damaged or weak. This award-winning brand was launched in the UK over 50 years ago and was founded with one simple goal - to make everyday life just a little easier for parents around the world. World-class research and development, baby-led products are what makes Mayborn Group a world-leader in products for parents. Tommee Tippee is here to enable parents to embrace and enjoy the roller coaster ride of bringing up a baby.