Quantity: 1 Accent your ocean or under the sea themed party with this 36 large unique shape Smilin Shark foil mylar balloon. The perfect balloon for your ocean or under the sea party this 36 Qualatex 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.