Having a Birthday Party or Anniversary? Add a classic hanging decoration of these 60 Whirls. what a great decoration to hang from the ceiling or from a doorway. These whirls come in a pack of 72 and completely assembled, easy to hang with the attached plastic hook. The basic whirls measure 17-1/2 inches long and whirls with danglers 32 inches long. Be sure to view our full selection of bulk birthday party supplies for a great party!