Our Natural bottle with an ultra soft nipple closely resembles the breast. The wide breast-shaped nipple with flexible spiral design and comfort petals allows natural latch on and makes it easy to combine a breast and bottle feeding.Features: The wide breast shaped nipple promotes a natural latch on similar to the breast, making it easy for your baby to combine breast and bottle feeding. The nipple has an ultra soft texture, designed to mimic the feel of the breast Flexible spiral design combined with comfort petals Flexible spiral design, combined with our unique comfort petals to create a flexible nipple, allowing for a more natural feed without nipple collapse Unique anti-colic Airflex vent technology Our unique anti-colic Airflex vent technology was designed to reduce colic and discomfort, by venting air away from your baby's tummy Ergonomic shape for maximum comfort Due to the unique shape, the bottle is easy to hold and grip in any direction for maximum comfort, even for baby’s tiny hands Simple to use and clean, quick and easy assembly Wide bottle neck makes filling and cleaning easy. Only a few parts for quick and simple assembly Compatible with the Philips Avent Natural range Mix and match our breast pump, bottle and cup parts, and create the product that works for you, when you need it! (Sold Separately) Included 3 Natural Bottles 9oz/260ml with Slow Flow Nipple (1m+), The Philips Avent Natural bottle is made of BPA free material (polypropylene)