4 piece crusader cooking unit an innovative new solid and gel fuel field cooker designed to meet the changing requirements of the future combat soldier an integral folding arm allows the cup to fit securely over a fuel crucible where gel fuel or solid hexamine fuel blocks can be lit a small slot provides efficient air intake whilst the walls of the cooker provide shielding against the wind in transit the cooker nests neatly and compactly beneath bcbs crusader cup boils 500ml 17floz of water