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 the award-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: Available in 5oz (NEW!) and 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.