Mr. Clean Magic Eraser Refill For Squeeze Mop. Turn any butterfly mop into a magic eraser mop. Its deep penetrating action lifts away grime and dirt trapped in grooves, making your floors shine. Clean tile grout, vinyl bathroom floors, stone, and marble with ease. It's like having a bigger and easier-to-use version of the Mr. Clean Magic Eraser. Quick and easy to change, it fits most squeeze mops, including Item No. 446642.