Color coded products help reduce cross contamination by differentiating area of use. The Rubbermaid Hygen Microfiber Cleaning Cloths feature patent pending zig-zag scrubbing strips and high quality knitting for better absorption and debris pickup. The double-finished edges of these red cleaning cloths provide durability and shape retention. They are durable up to 500 launderings. These microfiber cleaning cloths are bleach safe, hypoallergenic, lint-free, and nonabrasive.