Dr. Brown's 4 oz/120 mL PP Narrow Anti-Colic Options+ Baby bottle, Blue, 2-Pack (SB42405-ESX)

✓ Award-winning, market-first convertible design that can be used with or without the internal vent system

✓ Vent system clinically proven to reduce colic, spit-up, burping, and gas by eliminating vacuum and air bubbles in milk

✓ Helps preserve essential vitamins C, A, and E by minimizing air exposure to milk

✓ Grows with Baby—use the full vent for newborn stages, then remove it for a more conventional feeding experience

✓ Soft silicone nipple offers a comfortable latch and consistent, paced flow that's easier for Baby to manage

✓ Made in the USA from BPA-free materials, and fits most breast pumps for added versatility