A container (146) formed at least partially from a planar composite material (148) wherein the composite material (148) contains: an aluminium foil (100 106) with a first surface side (101) and a second surface side (102) a first polymer layer (104) which is connected to at least one of the two surface sides (101 102) wherein the aluminium foil (100 106) over the polymer layer (104) covers at least one opening (117 118) of a holder (113) wherein the composite material (148) and the holder (113) together form the container (146) wherein the holder (113) receives at least one analytical aid (112) in a recess (134) wherein the aluminium foil is shaped.
