Philips Avent Natural ultra-soft teat with flexible spiral design, more closely resembles the breast. The comfort petals and natural teat shape allows natural latch on and makes it easy to combine breast and bottle feeding. The wide breast-shaped teat promotes natural latch on similar to the breast, making it easy for your baby to combine breast and bottle feeding. Petals inside the teat increase softness and flexibility without teat collapse. Philips Avent Natural features innovative twin valve design reduces colic and discomfort by venting air into the bottle and not baby’s tummy. Philips Avent products are compatible with one another and are easily interchangeable, aiding the transition from your newborn to toddler. Bottles and teats can be used with the Philips Avent Comfort breast pump, storage containers, cups, sterilisers and bottle warmer. Pack of 2, slow flow, anti-colic teats.