Easy-to-assemble Swiffer Sweeper removes dust instead of just moving it around for a dust-free clean. Simply attach wet or dry cloths to this base. Swiffer wet & dry cloths are sold separately. Sweep floors with dry cloths to remove dirt, dust & hair. Clean tough soils & dried messes with wet cloths & reveal the natural beauty of your floors. Swiffer Sweeper is safe on wood, ceramic, vinyl tile, electronics & other hard surfaces. Sweeper leaves no residue. Wet cloths should not be used on unfinished, oiled, or waxed wooden boards, nonsealed tiles or carpeted floors.