Baby bottle supporting breastfeeding. Baby drinks breast milk Breast milk featuring nipples made by studying the movement of your mouth. Because it can be drunk with the same mouth movement as you drink from mommy’s tits, it is easy to use with boobs, and helps breastfeeding smoothly. Bottle with gentle roundness is easier to hold with hand and it is hard to roll. Easy to wash, easy to prepare, wide-mouth type. Heat resistant glass.