Microfiber Finish Mop • Traditionally colored, blue and white, and optimally shaped for smooth, even application of floor finish • Foam liner controls liquid content and release • 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 • Double finished edges retain mop shape with use over time • Durable pad construction. Third party tested tough, withstands more than 500 launderings, 200 with bleach