This Vintage Dude Metallic Balloon 18" is perfect for any 40th birthday celebration. Crafted from durable mylar material, this balloon is sure to last throughout the festivities. With its classic vintage design, it will be a great addition to any Adult Birthday Party Themes. Coordinate with the rest of the Vintage Dude 40th Birthday Party Supplies to create a memorable event. This package includes one 18" balloon, ready to be filled with helium. Celebrate dad's special day with this Vintage Dude Metallic Balloon 18".