Polishing sponge wafer black wafer sponge of an extremely soft and fine foam structure the special perfect touch sandwich design and extra firm white foam layer give the pad much more stiffness and it does not compress so easily as a result holograms and micro scratches in particular can be more efficiently and reliably removed the special design also extends the service life of the polishing disc with setback velour for assured polishing and as a centering aid ideally suited together with the