Decorate your Game of Thrones or medieval themed party with this 43cm round Medieval foil mylar balloon. The perfect balloon for your Game of Thrones or medieval party, this 43cm 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.