Swiffer Sweeper X-Large Wet Open Window Fresh Microfiber Refill (12-Pack)Swiffer sweeper x large multi surface wet mop textured cloths trap + lock dirt deep in cloth. They are safe to use on all finished floors. Do not use on unfinished, oiled or waxed wooden boards, non sealed tiles or carpeted floors because they may be water sensitive Textured X large wet mopping pad cloths trap + lock dirt deep in cloth 1. 5x wider refill Fits sweeper x large, includes 12 folded wet cloths