Quantity: 1 Accent your ballet or ballerina themed party with this 17 round Ballerina Tutu foil mylar balloon. The perfect balloon for your ballet or ballerina 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.