Philips Avent Anti-Colic N/B Starter Set With Airfree Vent

The Airfree™ Vent Is Designed To Help Your Baby Swallow Less Air. The Teat Stays Full Of Milk, Even When Horizontal, For Upright Feeding. Reducing The Air A Baby Ingests Can Help Ease Common Feeding Issues Like Colic, Gas And Reflux.