1m+. 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. No. 1 bottle brand (No. 1 reusable bottle brand in United States and Canada). Ultra soft & flexible. Natural latch on. 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 more natural feed without nipple collapse. Growing with your baby compatible range from breastfeeding to cup. www.philips.com/avent. Call toll-free: 1-800-54-Avent. BPA free. Made in Indonesia.