SOFT AND FAMILIAR FEEL: Naturally hygienic, extra-soft, easy to transition between breast and baby bottles, and avoid nipple confusion; made from the highest grade silicone, dishwasher & microwave safe, BPA, PVC, LEAD, and PHTHALATE FREE ANTI-COLIC, GAS-FREE FEEDING: Advanced 360° TRIPLE VENTED non-collapsible nipple design, so baby keeps a perfect latch and no post-feeding fussiness, gassiness, or discomfort; Same soft nipple as theaward-winning Nanobebe breast milk bottle MAXIMUM CONVENIENCE: Stable base prevents tipping on any surface, easy to read volume scale, leak-free, and easy to clean GROWS WITH YOUR LITTLE ONE: Holds up to 9oz; quick snap bottle handles (sold separately) that babies love to hold encourage development of fine motor skills THE ULTIMATE BABY BOTTLE: Perfect for all your feeding needs (baby formula, milk, water) at all stages from newborns and infants to toddlers