Celebrate a milestone with the 18" Happy 21st Birthday Blue Holographic Oaktree Foil Balloon. This vibrant, round balloon features a striking blue background adorned with dazzling holographic stars and fireworks. The bold, holographic text reads "Happy 21st Birthday!" making it the perfect decoration for any 21st birthday celebration.

• Size: 18 inches
• Color: Blue with holographic accents
• Design: Round shape with star and firework patterns
• Text: "Happy 21st Birthday!"
• Material: Durable foil
• Suitable for helium or air inflation

Add a touch of sparkle to your party with this eye-catching balloon, ideal for creating a festive atmosphere and memorable photo opportunities.