Perfect for Halloween events and spooky celebrations, this 21" foil ghost balloon features a classic "Boo" design with shimmering ghost-white finish. The large format commands attention as a standalone decoration or paired with coordinating balloons for dramatic impact. Self-sealing valve makes inflation quick and easy—helium or air compatible. Ideal for professional decorators creating haunted-themed installations, retail displays, or festive party setups. Durable foil construction ensures long-lasting appeal throughout your event.