Accent your Tropical & Luau-themed party with this 27″ hibiscus-shaped Beautiful Tropical Hibiscus foil mylar balloon. The perfect balloon for your Tropical & Luau party, this 27″ Anagram party balloon is great for setting the scene! This balloon includes a self-sealing valve, preventing the gas from escaping after it’s inflated. The balloon can be inflated with helium to float or with a balloon air inflator. The balloonshipsuninflated.