This Block Party Metallic Balloon 18" Sq is a must-have for any kid's birthday celebration. The shiny and colorful Mylar balloon is bursting with colorful lock blocks and is sure to make any venue pop with color. It's perfect for bunching with solid color latex balloons for a bright focal point in the room. Coordinating solid color tableware is available in School Bus Yellow and Cobalt. This package includes one 18" square balloon, making it the perfect addition to any block party or kids birthday theme. Make sure to add this Block Party Metallic Balloon to your party supplies for a fun and festive atmosphere.