This anti-colic baby bottle for a baby boy or baby girl provides a smooth drinking flow that prevents your baby from swallowing air, resulting in less colic. The ideal baby bottle for newborns, specially designed to minimize colic symptoms by reducing the amount of air swallowed while feeding. The vented base allows for an even drinking flow so that babies can remain calm and relaxed. The bottle also comes with a spill-proof lid and a measuring scale on the side so you can precisely measure even the smallest amounts of baby formula or breast milk.