The Rubbermaid® Commercial cut-to-length dust mop cuts big floor cleaning costs down to size. This floor mop is made of untreated, post-industrial 4-ply cotton for economical, recycled material in a continuous 40 ft roll. The cut-to-length size allows customization to fit any standard floor mop frame. It has a slide-in style backing that fits a dust mop frame without requiring strings. These floor mops are suitable for commercial and industrial applications.