With only two parts, the Born Free Breeze Glass Bottle is the easiest to clean bottle system that both you and your baby will love. The anti-colic design with ActiveFlow Vent puts baby in flow-control, and the Mom” nipple makes it easy to alternate between breast and bottle feeding. Breeze BPA-free Glass Bottles are made from ThermaSafe glass and can safely go from the freezer to boiling water. Gift Set includes 2-150ml Breeze Glass Bottles, 2-270ml Breeze Glass Bottles, 2-Level 1 Slow Flow Nipples (0M+), 2-Level 2 Medium Flow Nipples (1M+), 2-Level 3 Fast Flow Nipples (3M+), 2-Breast Pump Adapters, and 4-Caps. Born Free Breeze Breast Pump Adapter compatible with standard breast pumps including Medela, Ameda, and Dr. Brown’s.