White, non-linting, continuous filament nylon yarn. Glides smoothly, releases quickly and completely. Improves operator productivity by 50% versus traditional finish mops. Thinner coats, faster drying time, and less wasted finish with reduced operator fatigue. Precision Ha-Ste looped end construction virtually eliminates fraying and untwisting while extending mop life. Keyhole round-end construction with snaps is designed for a snug, rollover-proof fit. Fits all standard 5" quick change dust mop frames. Laundry not required, just rinse clean in cool water and drip dry. Cleans-up in less than 2 minutes.