product description Cleaning sanding sponge . S anding sponge,also named sanding block, grinding block, hand grinding block,abrasive sponge, etc.,is made from sponge and EVA,with a range of grit, used for cleaning,grinding,polishing.. Product feature · Washable and reusable, can be used wet or dry,and also can be used directly in water.Because of its own water storage function, it can ...