BPA-Free - Bottle feeding made easy. Clinically proven to reduce colic*. The Infant Starter set is the perfect way to get started with the basics for healthy, active feeding and also makes a great gift. Anti-Colic valve reduces colic for less air in babies tummy. Clinically proven to reduce colic. Set includes 2-9oz/260ml Philips AVENT Natural Feeding Bottles with newborn nipples, 2-4oz/125ml Philips AVENT Natural Feeding Bottles with slow flow nipples, Milk powder dispenser, 4 Dome Caps, 1-Bottle Brush for easy cleaning. Milk powder dispenser carries 3 pre-measured portions of milk powder in separate compartments - ideal for travel. Bottle brush with curved brush head and molded tip for thorough cleaning of hard to reach areas. BPA-Free Bottles are made from Polyether Sulphone (PES) - a BPA Free material with a natural honey-colored tint.