The Philips AVENT Natural Feeding Bottle helps to make bottle feeding more natural for your baby and you. The teat features an innovative petal design for natural latch on similar to the breast, making it easy to combine breast and bottle feeding for your baby The teats Its natural shape helps your baby to continue the same tongue movement used at the breast. An Innovative twin valve design reduces colic and discomfort by venting air into the bottle and not your baby’s tummy, this makes feeding comfortable for baby. Due to the unique shape, the bottle is easy to hold and grip in any direction for maximum comfort, even for your baby’s tiny hands. Petals inside the teat increase softness and flexibility without teat collapse. Your baby will enjoy a more comfortable and contented feed. As a new parent, your little one’s health and well-being your top-most priority. Rest assured you’re giving your little one the best; the Philips AVENT Natural feeding bottle is made of BPA-free material (polypropylene).