HYGEN™ Microfiber Dust Pads trap and lock away dust, dirt, and debris. 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 for up to 500 launderings (up to 200 with Bleach). Bleach safe in hot and cold water. 36 in. Sold by each. Green.