Tommee Tippee Advanced Anti-Colic bottles are clinically proven to reduce colic symptoms by up to 80%. The innovative anti-colic valve helps prevent air ingestion, reducing wind, reflux, and discomfort. The award-winning teat is designed to mimic the natural shape of the breast, making it easy for babies to latch on and feed comfortably. With BPA-free materials and a slow-flow teat, these bottles are a safe and gentle choice for newborns