Introducing the Dr. Brown's Natural Flow Anti-Colic Glass Baby Bottles in a 125ml/4oz capacity. This bottle is made of high-quality glass and comes in a stylish brown color. The bottle is designed to reduce colic and help your baby feed comfortably. It is suitable for newborns and infants up to 3 months old. The bottle has a narrow shape that makes it easy to hold and feed your baby with. The nipple type is anti-colic, ensuring that your baby does not swallow air while feeding.