A fun and colourful way to congratulate somebody with this special product. Make everybody smile and make your party an occasion to remember Attractive design Great party accessory Easy party planning solution A great party planning solution for those special events. Happy Birthday Foil Balloon Number 30 18th 21st 30th 40th 50th 60th 70th 80th 90th Birthday Decor, Black White Silver Gold Holographic about 45 cm Box contents: 1 foil balloon approx. 45 cm Not inflated the balloon is unfilled and balloon gas suitable. Foil balloons are made from a special film. They can be inflated with air or balloon gas filled and are fitted with a 'even' closing valve. The Flight Time of a Helium Filled Balloon is considerably longer than a latex balloon. AIR FILLED foil balloons many weeks or months can hold. Foil balloons are reusable, it can be refilled with air or gas at any time.