These large silver giant foil number 21 balloons are the perfect way to let everyone know the milestone birthday you're celebrating.
Beautiful alone or in a bouquet with other balloons. They are also ideal for hanging alongside a balloon garland.
Colour: Metallic Silver
Balloons are suitable for filling with helium or air.
* Please note: All balloons are sold flat-packed and uninflated.
Visit our silver party decorations and our number balloons collection for more options.