Easy to install and use.You just need take about 1minut to install it. Eliminates the hassle of lugging bulky car seats through the airport,and does not take up much space and can easily be stored in your diaper bag, handbag or stroller. Child Airplane Safety Travel Harness is meant only for travel in airplanes and not in cars or any other sort of motor vehicle. Designed for children 1 year and older. Made of premium material. Because the child’s safety is more important than any other thing. It can adjusts to fit almost every size airplane seat, and Compact fits into 6 inches stuff sack weighs just 1 pound,will not put pressure on child.