Level 1. 3X 4 OZ (120 ml) Natural flow. Clinically proven to reduce colic spit-up, burping, and gas. Use with or without vent. Designed to grow with baby. No.1 Pediatrician recommended. Fits most breast pumps. Narrow. Internal Vent System: (1) Air enters the bottle collar and routes directly through the internal vent system. (2)The air channels through the vent tube, bypassing the milk, to the end of the bottle. (3) The vent prevents aeration of the milk, vacuum pressure and nipple collapse. (4) Baby feeds comfortably while milk flows freely, like breastfeeding. The Dr. Brown’s vent system reduces air bubble oxidation to help preserve bottle milk nutrients. Vitamin C in Breastmilk. Our bottle works best with the vent system: Clinically proven to reduce colic; Proven to help preserve vitamins; Aids in digestion for a better night’s sleep; Flow rate supports breastfeeding. But it’s great to have options when baby’s feeding develops: Remove vent-no need to introduce a different bottle; Feeding experience similar to most nipple-vented bottles. Happy feeding. Helps reduce feeding problems: Our bottle are known for reducing colic, split up, burping and gas. Proven to help preserve bottle milk nutrients (Per a university study. Learn more at drbrownsbaby.com/nutrients-study): Vitamin C, A, and E are critical for health in infancy. Vacuum-free feeding helps digestion: Good digestion is essential for babies, particularly newborns. Fully-vented bottle design: Closet to breastfeeding. Internal Vent System and silicone nipple work together: Controlled flow so babies feed at their own pace. Chose the right nipple. Made of super-soft, high-grade silicone, each nipple level provides a different flow rate. Contents: 3 - 4 oz/120 ml baby bottles; 3 - level 1 silicone nipples. 1 - cleaning brush; instructions.
Complies with EN 14350. drbrownsbaby.com. nutrientstudy.com. See how it works at drbrownsbaby.com. Learn more at nutrientstudy.com. This packaging is manufactured with 100% recycled paperboard. BPA free. Made in China. Baby bottle in the US.