Celebrate your son’s special day with these fun Big Dig Construction Mylar Balloons! These 18″ balloons come in a 10-count package and feature a colorful dump truck print with the word “Party” written across a black and yellow striped trim. The balloons are made of durable mylar material and are perfect for any Big Dig Construction themed birthday party. With our discount pricing on bulk quantities, these Mylar Balloons are a great addition to any Kids Birthday Party Supplies. Make your son’s birthday extra special with these Big Dig Construction Mylar Balloons!