Celebrate a milestone birthday with the 18" Cheers to 21 Years Holographic Foil Balloon from Betallic, L.L.C.! This foil balloon is perfect for any 21st birthday party, featuring a vibrant blue background with a holographic 21 in the center. The balloon is sure to stand out in any room, and the vibrant colors will make any photo look amazing. It's made from high-quality foil, so you can be assured that it will last the entire party. The balloon is easy to inflate with an air or helium tank, and it will bring a fun and festive atmosphere to any celebration. Make sure to grab this 18" Cheers to 21 Years Holographic Foil Balloon from Betallic, L.L.C. for your next milestone birthday party!