Bulls Aluma Dart Case – Aluminium – Black. The Bull’s Aluma Case is the ideal solution for dart players who want to store and transport their darts and accessories safely. This sturdy aluminium case offers optimal protection and convenience for your dart equipment, ensuring you are always prepared for your next match.Bulls Aluma Dart Case – Aluminium – Silver. The Bull’s Aluma Case is the ideal solution for dart players who want to store and transport their darts and accessories safely. This sturdy aluminium case offers optimal protection and convenience for your dart equipment, ensuring you are always prepared for your next match.