SwimWays Power Swimr Training System Large size is just right for older kids Graduated flotation advances swimming ability at your child's own pace Includes 9 removable flotation pads/Hidden pockets keep flotation pads secure Adjustable side cords help create a snug fit while leaving your child's arms free Ages: Large size fits children 6-9 (approximately 55-80 lbs / 25-36 kg)