Gebirgsjäger Tropical M31 water bottle (Feldflasche). larger size,1litre aluminium flask which is maker marked 'L&SL' & dated 41. The felt cover has web loops & 2 different maker stamps 'CA 41' & one indistinct one dated '41. 4 'PRYM' poppers. The webbing harness is stamped 'CA 41', the metal tab is maker marked 'LUX' & has a leather tongue & metal carbine clip for attaching to a bread bag. The Bakelite screw cap has code mark & the rubber seal is in place. The Bakelite drinking cup is nicely marked with Bakelite code, maker 'gfc' & dated 1941.  Some moth nips. Metal fittings are painted field grey & show some surface rust.