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.
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.
Practical No nasty smells or aftertaste. Stays clear – won’t stain or discolor. Dishwasher, bottle warmer, and electric sterilizer safe.
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.