Philips Avent Natural Baby Bottle Slow Flow Nipple, 1M+, 4pk, SCF652/43

The most natural way to bottle feed. Natural nipple shape and feel makes it easy for baby to combine with breastfeeding Wide breast-shaped silicone nipple promotes natural latch on making it easy to combine with breastfeeding Ultra Soft nipple mimics the feel of the breast Unique Airflex valve technology integrated into the nipple is designed to reduce feeding issues by venting air away from your baby's tummy. Ideal flow rate for infants at least 1 months of age, and breastfed babies of all ages