Pigeon Flexible Glass Bottle is a slim neck bottle for use with Pigeon Flexible Peristaltic teats. Made from glass, the Flexible glass bottle has excellent transparency and years of use. The bottle is supplied with a Flexible Peristaltic teat. The teat has a slim neck, with double thickness silicone to ensure ideal softness and flexibility for latching on comfortably and easily. Each teat also features a unique venting system to minimise swallowed air and help reduce colic. BPA and BPS free. Bottle capacity 240ml. Teat size M, round hole, 4+ months.