Phillips Avent Natural 2.0 Bottle is specifically designed with an ultra-soft teat that more closely resembles the breast, allowing an easy transition for the baby to both breast and bottle feeding. Phillips Avent Natural 2. 0 Bottle is specifically designed with an ultra-soft teat that more closely resembles the breast. The wide breast-shaped teat with flexible spiral design and comfort petals allows natural latch-on and makes it easy to combine breast and bottle feeding. Key Features of Philips Avent Natural 2. 0 Bottle Three Pack Contains 3 Bottles, 9 oz/260 ml, Slow-flow teat Silicone, BPA-free Ergonomic shape for maximum comfort Simple to use and clean, quick and easy assembly