Swiffer Sweeper Heavy Duty Wet cloths TRAP LOCK™ 50 more dirt so you can quickly clean hard floor surfaces. They are safe to use on all finished floors and have a scrubbing strip to remove tough spots. Dirt magnet strip funnels dirt liquids into the pad's center and off your floors. vs. Swiffer wet mopping cloths Do not use on unfinished, oiled or waxed wooden boards, non-sealed tiles or carpeted floors because they may be water sensitive. Up to 4 hours of freshness left behind after initial product useUse with your Swiffer Sweeper Dust Mop - the convenient combination of a broom and mop for a quick and easy clean. Safe on all floor types, so you can use it on tile, hardwood, and vinyl flooring do not use on unfinished, oiled or waxed wooden boards, non-sealed tiles or carpeted floors because they may be water sensitive. These cloths have a unique dirt magnet strip that helps to Trap Lock 50 More Dirt into the pad. vs. Swiffer Sweeper Multi-Surface Wet Mopping Cloths. 20 Count Pack.