These large silver giant foil number 21 balloons are the perfect way to let everyone know the milestone birthday you're celebrating. Great for a 21st birthday or anniversary.
Beautiful alone or in a bouquet with other balloons. They are also ideal for hanging alongside a balloon garland.
Colour: Metallic Silver
Balloons are sold individually and can be filled with helium or air.
* Please Note: All balloons are sold flat packed and deflated.
For other colour options and numbers, please browse our number balloons collection.