Helium Cylinder BalloonGaz 30 'Christmas' with Balloons and Ribbon. Contents: 1 helium cylinder (0,21 m3), 15 latex balloons, 4 foil balloons and 1 roll of ribbon. Color: Multicolored. You can use this article for the following party occasion(s): Christmas. Fill up to 30 balloons of 9 inch/23cm with this cylinder! The article is made of metal which recycles forever.