Quantity: 1 Accent your ocean or sea themed party with this 42 large unique shape Friendly Shark - Magenta foil mylar balloon. The perfect balloon for your ocean or sea party this 42 La Balloons 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.