Impact L630MD floor finish and floor sealer mop is a professional, commercial-grade rayon mop specially engineered to apply floor finish and floor sealer in an even, streak-free brilliant shine . . . unlike whimpy cheap finish mops that leave lint and ugly streaks . . . after all that work . . . Execs and others won't appreciate poor workmanship. Launderable up 1000x. Rugged & long-lasting. Top Choice: Resorts & Hotels, Class A Offices, Hospitals, Nursing Homes, Universities, Schools, Restaurants, Airports, Theaters, Stadiums, Museums, Country Clubs, Military, etc. 12 mops per case. When your image & reputation matters more . . . .