SwimWays Power Swimr System - Colors May Vary Gives confidence to the youngest swimmers Graduated flotation advances swimming ability at the child's own pace Hidden pockets keep flotation pads secure Adjustable cords help create a snug fit and keep kids feeling confident Ages: Small size fits children 2-3 (approximately 20-35 lbs / 9-16 kg) Gives confidence to the youngest swimmers. Graduated flotation advances swimming ability at the child's own pace. Hidden pockets keep flotation pads secure. Adjustable cords help create a snug fit and keep kids feeling confident. Fits kids weighing 20-35 lbs (approximately).