The Pigeon FlexibleTM Crystal PP Bottle is a slim neck bottle for use with FlexibleTM Peristaltic Teats. Made from clear, light-weight plastic, the bottles have a streamline shape and are suitable for regular to high use.The bottle is supplied with a FlexibleTM Peristaltic teat. The teat has a slim neck, with double thickness to ensure softness and flexibility for latching on comfortably and easily. Each teat also has a unique venting system to minimize swallowed air and help reduce colic. BPA and BPS free. Makes a great newborn baby bottle. Bottle capacity: 150ml Teat size S - round hole, 0+ months