This 18'' Birthday Construction Zone Foil balloon is perfect for any birthday celebration! Made by Qualatex, this balloon is self-sealing and two-sided for extra fun. The 18'' size is perfect for creating a festive atmosphere and adding a special touch to any event. Plus, you can get a great quantity discount when you purchase multiple balloons! So, make sure to add this Birthday Construction Zone Foil balloon to your party supplies and get ready to celebrate in style!