Softspun microfiber is a combination of 80% polyester & 20% polyamide, thus creating a fabric with amazing ability to pick up and trap dirt coupled with superior absorbency and scrubbing power. Softspun microfiber unlike cotton cloths require no cleaning agent (detergents, soaps and other chemical cleaners) to dissolve the dirt. So essentially, if you want a cleaner surface, choose softspun microfiber! Why choose softspun microfiber over cotton towels/cleaning cloth? The use of microfiber is growing in popularity. Microfibers are completely changing the way people clean their homes, wash their cars, mop their floors, clean the dishes, crockery, cutlery, dry their pets, and even cleanse their bodies & dry their hair. Cotton is like a fishing net with large holes. If you scoop sand, dust or microscopic germs they escape through the large holes or just get pushed around.