Abstract: The present invention provides a frame and cover assembly for use with a truck having a truck bed. The frame includes frame bars that are disposable on the top ends of the walls of the truck bed and corner brackets for connecting adjacent bars to form the support frame for the cover material. The cover material attaches to the support frame with fastening means disposed on the perimetric edge of the cover material. The support frame may be used to mount hard, soft or semi-rigid cover materials thereto without any additional components required.