Dirt Eraser sponge cleans surfaces without getting them wet. Wipe away any kind of particulate matter: dust, pet hair, soot, mold, and other stubborn dirt. Made of vulcanized natural rubber, they are non-greasy, leave no residue and are completely safe for use on delicate fabrics. No matter how you label it, these soot sponges, dry cleaning sponges, chemical sponges are ideal for Fire Restoration cleaning smoke-covered walls, window blinds, lamp shades, wallpaper, fan blades, air vents, wood-burning stoves, and any cleaning where you can’t add water. They are especially effective at cleaning television and computer screens.