Swiffer Sweeper X-Large Dry Sweeping Refill Cloths: * Extra large dry cloths conform to the surface of your floors and grout lines to trap and lock dirt * Dry cloths leave floors up to 3x cleaner (vs. a broom on dirt, dust and hair) * Effective even on textured surfaces * 1.5x wider (than regular Swiffer Sweeper Dry Cloths)--17.8" x 10" * Recommended by the wood floor experts at Armstrong (recommendation as part of a co-marketing agreement)