Abstract: A decorative cover unit for the ball hitch of a towing vehicle to cover the ball when not in towing use. The cover unit includes a decorative head portion in various shapes and forms and a ball receiving and protective portion including an adjustable member receivable therein such that the unit may cover the commercially available and recognized sizes of ball hitches. The basic unit includes the decorative head portion and a ball covering portion of a first size to be received over a two inch ball hitch with an insert to reduce the internal size of the unit to receive a ball of 17/8 inch diameter. The primary unit provides a certain degree of flexibility to frictionally capture the ball and the insert unit provides frictional capturing capabilities to the primary unit and to a ball of the smaller diameter. The insert is of a length to provide proper frictional contact and is of a length to provide holding contact to the ball hitch.