Quantity: 1 Accent your autumn/ fall themed party with this 18 round Satin Fall Leaves foil mylar balloon. The perfect balloon for your autumn/ fall party this 18 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.