Dr. Brown's Options Plus Baby Bottles, 8 Ounce, 6 Count Plus 2 Bonus Level 2 Nipples and Sippy Spouts

Proven to help preserve bottle milk nutrients
Internal Vent System and silicone nipple work together - Controlled flow so babies feed at their own pace
Vacuum-free feeding helps digestion; Fully-vented bottle design - Closest to breastfeeding
Helps reduce feeding problems, reducing colic, spit-up, burping and gas