BRITAX UPNGO CLICK BACKLESS BOOSTER CAR SEAT WITH LATCHThe UpNGo Click backless seat booster gives your child the boost they need to move up into the final car seat stage and go anywhere with confidence. Designed for children from 40 120 lbs and 46 63", this booster combines the portability and convenience that parents look for with kid approved comfort and style. The rigid LATCH connectors click in with ease and release in seconds, making it easy to move the seat between vehicles. UpNGo Click is