Add some glamour to your event with these elegant Black 21st Birthday Balloons.
These metallic black balloons feature a large number "21" in white lettering with smaller 21's surrounded by a star & confetti design. A 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 and for including in photos of the big day.
Colour: Metallic Black
Balloons are sold individually and can be filled with helium or air.
* Please note: All balloons are sold flat-packed and uninflated.
Visit our 21st birthday decorations or our number balloons collection for more options.