Blue Edition 3 wide-neck bottles. 9 oz (260 ml). The most natural way to bottle feed. Wide breast-shaped nipple easy to combine with breastfeeding. Ultra soft nipple mimics the feel of the breast. Airflex vent designed to reduce feeding issues such as colic. Ultra soft & flexible. Natural latch on. No.1 bottle brand (No.1 reusable bottle brand in United States and Canada). Unique anti-colic Airflex vent technology: Designed to reduce colic and discomfort by venting air away from your baby's tummy. Ergonomic shape: Extra comfortable shape, easy to hold even for baby's tiny hands. Simple to use and clean: Few parts for easy cleaning and assembly. Natural latch on: The wide breast-shaped nipple makes it easy for your baby to combine breast and bottle feeding. Ultra soft nipple: Designed to mimic the feel of the breast. Flexible spiral design: Combined with our unique comfort petals to create a flexible nipple, allowing for a more natural feed without nipple collapse. Growing with your baby: Compatible range from breastfeeding to cup. Choosing the right nipple: Different flow rates to keep up with your baby's growth. Use the Philips Avent Natural bottles only with Philips Avent Natural feeding nipples. First flow: 0. 0m+: 1. 1m+: 2. 3m+: 3. 6m+: 4. 3m+. www.philips.com/avent. Call toll-free1.800.54.AVENT. www.philips.com/avent. BPA free. Made in Indonesia.