Extra power pad design has a new strip with micro-scrubbing nubs that reach into grout lines/crevices and provide more scrubbing power for tough messes delivering superior tough soil cleaning. Powers through up to 2X more dried-on dirt and grime combined with the scrubbing power of Mr. Clean Magic Eraser. Use with Swiffer WetJet mop model No. 29914 (SKU 627593). 10 ct.