This microfiber cloth is excellent for cleaning hard surfaces like sinks, counter tops, porcelain, bathtubs, showers and dishes. Excellent for washroom cleaning and tough general cleaning. One side is like our other cleaning cloths, but the second side is made for aggressive scrubbing/cleaning. Please test on an inconspicuous area of item to be cleaned before using, may scratch sensitive materials. Set of four12"x12" cloths. One each red, blue, green and yellow.