Bring the fun of block party to your child's birthday celebration with our Block Party Party Hats! These sturdy, mediumweight paperboard hats are decorated with multi-colored lock blocks and come in a package of 8, with 6 packages per case, for a total of 48 hats. Each hat measures 6" x 4.25" and is the perfect addition to any kids' birthday party. Put a hat at each place setting for kids to wear when it's time for cake and watch the party come alive! with our Block Party Party Hats, your child's birthday celebration will be sure to be a hit.