The new Advanced Comfort feeding range by Tommee Tippee is ideal to prevent discomfort in babies when bottle or breastfeeding. The two vented feeding bottles have a patented air venting system designed to help prevent colic caused by air bubbles in milk and each include a slow flow teat that mimics the natural flex, feel and movement of breastfeeding, with super wide neck design for easier latch on. Each bottle holds up to 150ml of liquid Suitable for babies from birth to 3 months and is interchangeable with the original closer to nature anti colic range. Product Features: Unique tube and value system to provide optimum venting during feeding Unique, easy latch on teat shape that promotes continuous feeding Soft, natural feel Silicone teat to make it easier to switch between breast and bottle Easy hold bottle with slow flow teat Bottle compatible only with Closer to Nature advanced comfort BPA free