disclosed is a lid commonly used for attachment atop dumpsters , trash bins , or waste containers of the type having a circular cross - sectioned lid rod . the lid comprises a three - dimensional rectangular structure reinforced by contoured ribs running lengthwise and further having the capability of being hingedly operated at either the front end or the rear end of the lid . co - axial , horizontally - oriented circular apertures are provided proximate the front end and rear end of each of the ribs . the apertures permit the hinged attachment of the lid to the waste containers . in this manner , an advantage accrues to a commercial user in that , after a certain amount of wear and tear , the lid may be removed from the waste container and the opposite aperture end may then be attached to the lid rod and used for another extended period of time .