Executive Series Hygen Cleaning Cloths, Glass Microfiber, 16 x 16, Blue, 12/Carton Color coded products help reduce cross contamination by differentiating area of use. Patent pending zig-zag scrubbing strips and high quality knitting for better absorption and debris pickup. Double-finished edges provide durability and shape retention. Durable up to 500 launderings. Hypoallergenic, lint-free, nonabrasive.