SOFT & FAMILIAR FEEL: Naturally hygienic, extra-soft, easy to transition between breast and baby bottles, and avoid nipple confusion ANTI-COLIC, GAS-FREE FEEDING: Advanced 360 degree 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: Easy to read volume scale, STABLE BASE prevents tipping on any surface, easy to clean, leak-free, and dishwasher safe GROWS WITH YOUR LITTLE ONE: Holds up to 9oz; quick snap bottle handles (sold separately) make this the perfect adaptable bottle, babies love to hold when ready to advance fine motor skills THE ULTIMATE BABY BOTTLE: Perfect for all your feeding needs (baby formula, milk, juice, water) at all stages from newborns and infants to toddlers HIGHEST GRADE SILICONE: Non-toxic, BPA, PVC, LEAD, and PHTHALATE FREE.