Qualex's Construct Piecesion Trucks latex balloons. First of all, these Construct Piecesion Trucks Latex Balloons are a great mix for a boys birthday party! Secondly, the balloons colours are Blue, Orange and Yellow making them fun and colourful for any occasion!. Furthermore, the balloon inflates to 11inand are round in shape. All in all, 25 balloons come in a pack and if required to float inflate with helium, alternatively with air.