Abstract: A conveyor mat built up of first and second modules, made in one piece of synthetic material, the width of the first modules being substantially twice the width of the second modules, with the modules, viewed in the longitudinal direction of the mat, being staggered, each module consisting of a plurality of substantially equally spaced-apart hinge plates, each extending over substantially the entire length of the module and each having hinge loops at the two ends thereof, the hinge plates of a module being coupled by at least one rib disposed between the two ends, the ends of the hinge plates being disposed at a longitudinal side of a module between the ends of the hinge plates of an adjacent module in the longitudinal direction of the mat, the hinge loops of the two modules being substantially in alignment and coupled to each other by a hinge pin extending through the hinge loops, the second modules are located exclusively on the two lateral sides of the conveyor mat, a first module always being disposed bet