Ideal for kids' birthday parties and great for prize boxes, favor bags and game prizes, this 3-piece Punch Ball Balloons Set provides hours of entertainment. Simply inflate the balloon and attach the enclosed rubber band. Kids can hold onto the rubber band and pound the ball with their fist. Children younger than 8 should be supervised when using punch balls. The balloons are approximately 8 1/2" long when not inflated and the rubber band is 6" long.