ITEM NAME:Car Sponges crystal Maintenance Waxing Sponge Coating Lacquer plated 5mm 6PCS.Function: car waxing, plated crystal. The black sponge is with thickness about only 5mm/0.20in of novel design and ultra-thin coating sponge layer to reduce the adsorption of liquid. It will not lead to a waste of expensive plated crystal liquid, coating liquid and glaze liquid during construction.