You can use it to remove stains and dirt on your magic sponge in your home, workplace, vehicles, walls, ceramic, wood, tiles, plastic, marble, metal, glass and all surface stains and dirt. It allows you to easily remove work stains, pen scratches, lime and soap residues on these surfaces by saving time and money. Instructions for use: After wetting with water, you can squeeze it with one hand without curling and clean it by rubbing it like an eraser. It is important not to be used with things like detergent. Product Size 12x7. 5x3cmpakes content1 Pieces.