Nurture Naturally! 🌟 Milk only flows when your baby actively drinks, mimicking natural breastfeeding. Dishwasher safe for effortless maintenance. The #1 recommended baby bottle by pediatricians. Designed for seamless transition between breast and bottle feeding. Anti-colic valve reduces discomfort by directing air away from your baby's tummy. BPA Free 9oz Capacity Natural Response Nipple The Philips AVENT Natural Baby Bottle is designed to provide a breastfeeding-like experience, featuring a Natural Response nipple that allows your baby to control the flow of milk. This 4-pack of 9oz bottles is BPA-free, dishwasher safe, and equipped with an anti-colic valve to ensure your little one feeds comfortably. Recommended by pediatricians, this bottle is the perfect choice for modern parents seeking convenience and peace of mind.