Philips Avent Glass Natural bottle with the Natural Response nipple lets baby control the pace of the milk, like they do when breastfeeding. This Natural Philips Avent bottle is made of premium quality borosilicate glass, a BPA free material. It is heat and thermal shock resistant, so it can be safely stored in the fridge, warmed and is easy to wash and sterilize Easy to combine breast and bottle feeding with a wide breast-shaped nipple with a soft feel that mimics the shape and feel of a breast No-drip nipple design helps prevent lost milk from the tip, giving you peace of