Cover for open top food containers

A cover for selective access to an open top food container comprising a peripheral side wall for telescoping over and surrounding the container, said cover having an open area bottom to permit said wall to be lowered over the container, said cover having an open area at its top to permit access to the container through said side wall from the cover top open area, a lid for selectively opening and closing said top open area, said lid being of fan/accordion structure comprising a plurality of slats having longitudinal edges pivotally connected along said longitudinal edges, said lid being slidable to selectively move to and from retracted and extended conditions, said lid exposing said top open area to provide access to the container when said lid is in said retracted condition, said lid closing said top open area to cover the container when said lid is in said extended condition, an inner frame mounted to an inner surface of said side wall extending inwardly from said side wall and located below said lid, said inner frame being capable of being disposed on a food container to space said lid from the food container, a side support mounted to opposite sides on the inner surface of said side wall, said lid being slidably mounted on said side supports whereby said side supports function as a track for said lid, and said inner frame being made of a pliable material capable of being molded to an upper edge of a food container.