Microfiber is highly absorbent, streak-free and lint-free; multi purpose use. with one scour side aids Thorough cleaning surface and depths Ultra soft, non-abrasive microfiber cloths will not scratch surfaces Multi purpose is ideal to clean glass, wood, stone, car, stainless steel products and most of electronics Rinse and reuse 100's of times. Hand or machine wash, warm, with non-linting fabrics; tumble dry low Fast drying, no matter how wet your dish cloths gets, it dries out in no time at all. This set of solid microfiber cloths are made of 80/20 blend of polyester and nylon. Each dish cloth is made with a microfiber side and a poly scour side. With a scour side blister easily when mix with chemical cleaner. The microfiber cloth is highly absorbent, streak-free and lint-free and has many multi purpose uses.