Add a touch of levity to your birthday party when you use the Old Age Humor Just A Number Mylar Balloon. The mylar balloon measures 18" and feature a print of two jokes printed on opposite sides surrounded by a green border. The mylar balloons pairs with all Old Age Humor party supplies. With wholesale pricing and bulk quantities, our Old Age Humor Just a Number Mylar Balloons 10 ct are perfect for event planners, caterers, and home hostesses alike.