Quantity: 1 Accent your Oktoberfest themed party with this 17 round Oktoberfest foil mylar balloon. The perfect balloon for your Oktoberfest 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.