3-pack 4 oz/120 ml. Contents: 3 - 4 oz standard baby bottles; 3 - Level-One silicone nipples; 3 - two-piece patented internal vents; 1 - cleaning brush; instructions. Helps maintain vitamins C, A & E. Patented internal vent system is proven to minimize oxidation of breastmilk and formula to help maintain essential nutrients. Positive-pressure feeding. Fully-vented bottle design provides vacuum-free feeding similar to breastfeeding. Helps reduce colic. Vent system eliminates the negative pressure and air bubbles to help reduce colic, spit-up, burping and gas. BPA free. No BPA, PVC, lead or phthalates. Positive-pressure, vacuum-free feeding. a first-of-its-kind university study to measure nutrient levels in breastmilk and formula during a typical 20-minute feeding determined that Dr. Brown's fully vented bottles help maintain levels of important nutrients like vitamins C, A and E. Positive-Pressure Feeding: 1. The patented Natural Flow internal vent system is the only vent that eliminates the vacuum and the air bubbles found in most baby bottles. It allows air to enter through the nipple collar without being incorporated into the breastmilk or formula. 2. The air is then channeled through the internal vent system to the area above the breastmilk or formula. 3. Babies feed more comfortably because the vent allows them to nurse without fighting the negative effects of a vacuum or the discomfort of ingesting air bubbles. This helps to reduce colic, spit-up, burping and gas. 4. The breastmilk or formula flows freely through the nipple as the air is channeled to the top of the bottle. This positive pressure eliminates nipple collapse, and can help reduce build up of fluid in baby's ear. Made in the USA.
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