Microfiber Wet Pad Is Made Of A Premium, Split Nylon/Polyester Blend For Optimal Wet-Mopping Performance. Dense, Nonabrasive, Lint-Free Quality Fiber Removes More Dust, Dirt And Microbes Than Conventional Cleaning Products. Wet Pad Fits The 18" Q559 Rubbermaid Standard Quick-Connect Wet/Dry Plastic Frame.