For a chic Halloween decoration, our Spider Web Halloween Balloon is more trendy than terrifying! This black and white round foil balloon features a border of spider webs and says "TRICK OR TREAT" on one side and "BOO" on the other. Display it on its own or add it to a Halloween balloon bouquet! Spider Web Halloween Balloon product details: Measures 17in diameter Foil Self sealing Reusable Balloons arrive in-store uninflated. Helium inflation available at WoW! Let's Party stores. Always dispose of balloons properly. Do not release balloons into air.