Rubbermaid HYGEN™ Microfiber Damp Mop with Scrubber. Premium split nylon/polyester blend microfiber provides optimal damp mopping performance. Dense 3 - 5 micrometer quality fiber removes more dust, dirt and microbes than conventional cleaning products. Advanced hook-and-loop backing... holds-up under harsh laundering conditions and attaches pads more securely. Scratch-resistant scrubber flap to remove stubborn spots or heel marks. Double finished edges retain mop shape with use over time. Patent Pending Zig-Zag design packs 17% more split microfiber into each mop. Durable mop construction - third party tested tough. Withstands more than 500 launderings, 200 with bleach. Proven to clean floors 45% better than string mops, 25% better than conventional microfiber. 20.7" Long x 5.7" Wide x 1/2" High, Blue.