The improved Swiffer® WetJet Wood mopping pad has a better strip that helps to trap dirt and grime deep in the pad, so it doesn't get pushed around. Safe on finished wood floors. When you're done, just remove the pad and throw it, and all that dirt away forever. Mop Head Type: Wet Mop Head Pads; Application: Floor Maintenance; Mop Head Style: Microfiber; Mop Head Size: 5.4" x 11.3".