Follow the steps below to build your Halloween polka dot topiary! Topiaries are a cluster of 12 latex balloons attached to a stand. The bottom of this stand is decorated with a smaller cluster of matching balloons. The stand itself may also be decorated All topiaries come pre-inflated and are available for pickup or delivery. Choose your date and time at checkout. Air-Inflated Balloon Lifespan Air-inflated latex  5 to 7 days Air-inflated mylar, foil, and plastic  1 weeks