Description: Additional teats of various sizes (sold separately) allow mothers to simply swap to their choice of teats (slow/medium/fast/thick feed) for baby’s perfect feed as time goes by. Breast milk storage lids (sold separately) allow the feeding bottles to be converted to air-tight and secured storage containers easily by simply swapping the interchangeable lids. Growing with your baby, these storage containers can also be used as a snack cup or to store baby food, semi-solids, puree, biscuits, fruits or even juices! Features: Revolutionary no screw thread one-handed closure (Patent Pending). Press-to-Close, Twist-to-Open, PCTO™ innovation for hassle-free handling and avoiding spillage. Air venting bypasses the milk minimizing formation of air bubbles and oxidation of precious nutrients. Built-in anti-colic air vent reduces unwanted air intake. Elliptical-shaped silicone teat closely mimics a mother's breast to simulate a real latching experience, making combining breast and bottle feeding possible. Off-centre teat enables your baby to feed in a natural upright position. Express, Store and Feed within a single container with interchangeable pump or adapters, feeding collars and storage lids. No wasteful transfer of milk necessary. Hassle-Free Cleaning: The smooth interior surface, wide bottle opening and minimal parts make cleaning exceptionally easy.