Inspired by mums and designed by experts, our Natural Start Baby Bottle has an extra-wide neck and breast-like teat to help your baby have the most natural bottle-feeding experience.Made from super soft silicone, the teat has a special breast-like shape that encourages a natural latch and prevents nipple confusion when switching between bottle and breast. This works by mimicking the flex and movement of mum's breast, allowing your baby to feed at a pace that feels comfortable and natural to them. It also features an anti-colic valve to prevent the symptoms of colic by ensuring your little one ingests more milk and less air.For added peace of mind, the Natural Start baby bottle is completely mess-free and leakproof when the screw ring, teat and cap are all secured (even if it's turned upside down or shaken). These bottles come with a slow flow teat that's suitable for 0+ months. Teats are available in a range of flow rates too, so the milk can flow faster as your baby gets hungrier!