Lid for closing a container and system comprising a container and a lid

A lid (1) for closing a container (2), in particular a container (2) for a hazardous material, comprising:

• a lid plane (11) with
• an upper side (111),
• a lower side (112), and
• at least four lateral edges (113);
• and
• connectors (12), including
• a movable connector (121) arranged at a lateral edge (113) of the at least four lateral edges (113), and
• a further connector (12) arranged at an opposite lateral edge (113) of the at least four lateral edges (113),
• wherein the movable connector (121) is mounted so as to be movable largely perpendicularly in relation to the lateral edge (113) and largely parallel to the lid plane (11), and
• wherein the lid (1) includes a guide (13) for guiding the movable connector (121) and preventing a largely perpendicular movement of the movable connector (121) to the lid plane (11).