Innovative DUO®, 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.
Practical No nasty smells or aftertaste. Stays clear – won’t stain or discolor. Dishwasher, bottle warmer, and electric sterilizer safe.
Intuitive Intui-Latch nipple positions baby’s tongue and lips for a natural, intuitive latch, while a skin-like texture helps baby stay latched. Anti-Colic valve vents air away from nipple to increase feeding comfort. Breast like flow makes it ideal for breast to bottle feeding.
Strong Won’t break, shatter, chip, crack, or flake. Laser etched calibrations & decorations so there's no ink fading or chipping. BPA, BPS, PVC & Phthalate-free. Bottles made in the USA.
Award-Winning Duo has been awarded the Good Design® Award, the International Design Award (IDA) - a silver in the children’s products category, the Parent Tested Parent Approved (PTPA) Seal of Approval, a Gold Mom's Choice Award, and the National Parenting Product (NAPPA) Award.