OmniClean Microfiber Mop Pads are part of the Unger OmniClean professional floor-cleaning system (not included) that features dual-bucket technology to separate clean and dirty water, ensuring the charge bucket always stays clean. 16" mop pads are made of durable, 100 percent polyester, 7mm looped pile microfiber and last up to 300 wash cycles. Color-coding tabs prevent cross-contamination. Use these pads with your Unger OmniClean Mop Pad Holder (not included).