Quantity: 1 Accent your tropical or luau themed party with this 17 round Vintage Tiki foil mylar balloon. The perfect balloon for your tropical or luau party this 17 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. Balloon arrives uninflated.