Sit back and enjoy the ride with this handy flight vest from Baby B-Air. It's the reliable, responsible way to keep baby safely and comfortably in place during air travel. The vest slips over baby's head and secures to an adult's lap belt, ending the struggle to hold baby in your lap! The Flight Vest also provides protection against turbulence and frees the hands during flight. Flight vest is for use on children up to 40 pounds. A small fits infants and newborns with a 16" neck opening, the large toddler size has a 19" neck opening.