When it comes to erasing grime fast, look no further than Chux Magic Eraser Spot Cleaner. Activated with just water, these mini cleaning blocks feature micro-abrasive technology which penetrates surface grooves to easily and thoroughly break up tough dirt and grime. Use them to remove marks and scuffs from walls, floors, doors, skirting boards, light switches and much more! Also use it to remove sticky residue from some labels.