Dual sided cloth has smooth side for grease, oil, grime and over 99% of bacteria from brushed and polished stainless steel using just water. Use side with stiffer fibers to clean brushed stainless steel and remove hardened messes on both brushed and polished stainless steel. Use smooth side to clean polished stainless steel surfaces. Both sides remove over 99% of bacteria. Guaranteed for 300 machine washes. 12.5″ x 12.5″