These BPA free anti-colic wide neck teats are an ingenious design from NUK. The NUK First Choice+ Silicone Teat replicates a mother's nipple during breastfeeding, the extra soft tip easily takes on different shapes whilst also promoting the healthy development of the mouth, lips and tongue. NUK have developed an orthodontic shape and combined it with the NUK First Choice+ extra wide lip support to make it even easier to alternate between breast and bottle feeding. The clinically tested teat has an improved Anit-Colic Air System that minimised infant colic caused by the harmful swallowing of air. Silicone is a flexible natural material which can make it easier for some babies to adapt to, it is also more bite resistantBPA-free silicone for safetyPromotes a natural latch-on similar to the breastReduces reflux and colic for a happier child.