Bottle feeding made easy! Designed for leak-free feeding, the Infant Starter Gift Set includes: (2) 9oz bottles with (2) slow flow nipples, (2) 4oz bottles with (2) newborn nipples. Anti-colic valve reduces colic for less air in babys tummy. Bottle to First Cup 4oz Trainer: Nipple and Soft Spout. (2) Newborn Silicone Soft Pacifiers. (1) Milk Powder Dispenser: Ideal for travel. (1) Bottle Brush: Cleans hard to reach areas. AVENT BPA Free Bottles are clinically proven to reduce colic. Completely interchangeable throughout every stage of baby"s development. Anti-colic valve flexes to allow air into bottle to prevent vacuum build-up. Air bubbles move away from nipple and into bottle, not into babys tummy. Naturally shaped nipple promotes proper latch-on. All AVENT bottles and pacifiers are 100% BPA free. Freezer, dishwasher and sterilizer safe