Specifications

• DUO®, the first-of-its-kind hybrid baby bottle, provides the wellness benefits of glass & convenience of plastic in one unique bottle. Duo has glass on the inside for purity and plastic on the outside for convenience. A breakthrough medical glass technology that permanently bonds a micro-thin layer of unbreakable INVINCI-GLASS® to the inside of a premium plastic bottle, making it breakproof yet lightweight

• Baby’s milk touches 100% INVINCI-GLASS– shields milk from plastic. Won’t shatter, chip, crack, or flake. Laser etched calibrations & decorations for no ink fading or chipping

• No nasty smells or aftertaste. Stays clear – won’t stain or discolor. Long-lasting, durable and breakproof. Lightweight and comfortable to hold for both parent and baby

• Award-winning Duo's Intui-Latch nipple positions baby’s tongue and lips for a natural, intuitive latch. Skin-like texture helps baby stay latched. Anti-Colic valve vents air away from nipple for feeding comfort. Breast like flow is ideal for breast to bottle feeding

• Dishwasher, bottle warmer, and electric sterilizer safe. Easy to use and clean with minimal parts. BPA, BPS, PVC & Phthalate-free. Bottles made in the USAEasy to use and clean with minimal parts. BPA, BPS, PVC & Phthalate free. Bottles made in the USA

• Bottle comes with a Stage 1 Slow Flow Nipple (0m+)