Birthday Celebrate – Foil Balloon Happy Birthday – Celebration, Black Chevron & Stripes CELEBRATE Anniversary Birthday Party Balloon. 17″ Helium Savers XL®. At 17″, they are only 4% smaller than standard 18″ balloons, but you’ll use up to 20% less helium. Made with Anagram’s XtraLife® film so they retain helium 3-5 times longer.
