Ride Safer Travel Vest is a car seat alternative that's weighs just 2lbs and packs to the size of a soda bottle. With top tether, it passes US testing like a car seat!
Hifold is a folding booster seat that folds up small enough to fit in the overhead bin! Approved in nearly every country around the world, perfect for kids ages 5+ who are mature enoug to sit still.