This vintage ball washer contains a sponge inside a flexible rubber casing that would allow the user to wet the sponge and utilize the lip of the rubber casing to anchor the ball as it's rotated around during washing. There is also a rope/cord attached so as to hang it from one's golf bag to be readily accessible. This rubber and sponge are in fine conidition. The ball shown in the images is not included with this lot.  It is shown for perspective.