Sharpie&reg; Rub-a-Dub Laundry Marker (2 Pack) 2 Markers. Bundle and save. Porous-tip laundry marking pen makes laundry marking quick and easy Marks permanently on cloth without bleeding or feathering Sanford Ink 31101PP Rub-A-Dub Laundry Marking Pen, Fine Point, Black Ink, SAN31101PP Uniquely formulated to remain permanent through washing and dry cleaning