LOONBALLOON Soccer Balloons, 39in. Golden Trophy, Accent your congratulatory sports themed party with this 39in. large unique shape Golden Trophy foil mylar balloon. The perfect balloon for your congratulatory sports party, this 39in.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.