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 and dry cloths are sold separately. Sweep floors with dry cloths to remove dirt， dust and hair. Clean tough soils and dried messes with wet cloths and reveal the natural beauty of your floors. Swiffer Sweeper is safe on wood， ceramic， vinyl tile， electronics and 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.