NUK has developed the NUK Nature Sense bottle and teat with a sense of nature, which, similar to a mother¿s nipple, has several tiny openings. Regardless of whether you are combining bottle and breastfeeding or would just like to get your baby used to drinking from a bottle, the NUK Nature Sense Teat offers you and your little one a natural drinking experience.  The several tiny openings of the teat are modelled on the milk ducts of a mother¿s breast which means little one¿s can enjoy a familiar feeling when drinking and, above all else, a natural flow.  The soft zone is gentle on the top of baby¿s delicate mouth and the wide lip rest lets your baby latch on in a natural way.  The innovative anti-colic vent makes it possible to drink as if from the breast without a pause which helps prevent your baby swallowing air and reduces the risk of colic.  The extra-wide bottle neck means it can be filled and cleaned in no time at all and the protective cap closes all the tiny openings to prevent leakage when mixing formula or when out and about. The bottle is made of high-quality plastic (PP), is BPA-free and hard-wearing. The extra-wide bottle neck means it can be filled and cleaned in no time at all and the protective cap closes all the tiny openings to prevent leakage when mixing formula or when out and about. The NUK Nature Sense bottles features a 0 ¿ 6 months¿ silicone teat with small feed hole (3 small openings for an optimal, smooth and natural flow). BPA Free.