BubbleBum is the only cost-effective, portable, lightweight, safety approved, inflatable car booster seat for children aged between 4-11. It easily deflates and folds flat so that children or moms can carry it in backpacks or handbags. BubbleBum is perfect for vacations, rental cars, taxis, school trips or car pooling. Kids love the funky colours and cool design! The compact design makes it easy to fit 3 kids across the rear seat!