Hands-Free Baby Bottle introduces the worlds first glass baby bottle feeding system that allows to feed babies 3 months+ in an upright position instead of a horizontal position as recommended by pediatricians to help prevent colic, gas build up, ear infections and reflux. Our bottles help prevent colic, gas build up and improves overall feeding. It also helps prevent ear infections. This is a great feeding system for traveling, feeding twins and situations where you just need an extra hand!