If you are a traveler with little ones in toe this is a great safety harness to have in your diaper bag. Keeps your little one safely secure in their seat. Features & details CARES is the first and only harness type Aviation Child Safety Device to be certified by the Federal Aviation Administration (FAA) as an alternative to a car seat. Simple to install, adjustable to every size airplane seat, and usable on any window or center seat in the airplane, except in the emergency exit rows. CARES weighs just one pound and fits into a 6″ stuff sack for easy storage. Designed for kids, ages 2-4, weighing approximately 22-44 lbs.