LOONBALLOON Sentiments Balloons, 18 inch GOOD LUCK COLORFUL DOTS 2 pcs, Accent your good luck themed party with this 18in. round Good Luck Colorful Dots foil mylar balloon. The perfect balloon for your good luck party, this 18in. 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. 18in. Good Luck Colorful Dots Foil Mylar Balloon