Container assemblies

A container assembly comprising a container for storage and transport of goods comprising at least one side wall and a bottom wall defining together an interior space and a cover for closing the opening, having a top surface, wherein the cover comprises at least one latch member movable between at least a first, resting non-engaged position and a second, engaged position, wherein the container comprises a retaining member on the at least one side wall and positioned parallel to the latch member such that the latch member is configured for engaging with a retaining member of another container when in the second position to connect the container to the at least one other container, wherein when the at least one latch member is at the first, resting non-engaged position, the at least one latch member is flush with the side wall of the cover, and further wherein when at the second, engaged position, the cover of the container can be disposed into an open position.