Features : -Anti-colic bottle -Reduces colic and discomfort -Airflex venting system reduces air indigestion -Ribbed texture prevents nipple collapse for uninterrupted feeding -Fewer parts for easy cleaning -BPA free -9oz / 260 ml About the brand Discover Kidcentral's line Philips Avent which produces pacifiers, baby bottles, goblets, nursing accessories and monitors. Of remarkable quality, durable and easy to clean and maintain, their products will make you and your toddlers happy.