Mission Solo Dart Flights -100 Micron No2 - Std - Spiro. Mission 100 Micron Flights are constructed from a sturdy 100 micron material, giving these flights durability and a highly consistent performance. The Mission flight production process utilises the latest digital print technology to give the flights a striking visual finish. Mission Solo Dart Flights - Strong 100 Micron Material. Each pack contains 3 flights. Mission Solo Dart Flights - 100 Micron - No2 - Std - Spiro