The best eraser sponge for removing stubborn marks from any smooth non-porous surfaces. It works like an eraser to remove marks off walls, soap scum off shower screens and tea stains from cups. Cleanmaster Gold is a multi-purpose cleaner that effectively removes stubborn marks without the need for harmful chemical cleaners. 4 times larger then the original, offering better value for money. For use on larger surfaces, or cut down to the required size for smaller jobs.