Stackable, self-supporting container with sliding mechanical closure

The invention claims a container (10), comprising: aa (a) of the sealed container main body, comprising with two opening end and a bottom plate is hollow structure, the bottom plate sealing container main body; end of the periphery flange and other end of the bottom plate are hollow structure continuous extending outwards about (25); a (b) cover (40), is selectively conversion half closed container the sealed container; With a (c) closed device (30), a sealing cover on the container body, a mechanical sealing element is a sealing device, and is provided with a sealing capable of sliding to the mechanical gate potted component comprises a mechanical gate potted component (36). The container is better is a stacking on the top of the clamping sleeve, mechanical gate potted component comprises a a cover at least one closing overlapped with flange is connected convex edge and groove. The container capable further connected by the back to the container flatting to a hollow structure.