The perfect cleaning pad specially designed for use with auto scrubbers. Resilient open construction allows this pad to produce the ultimate performance when used with automatic scrubbers. Cleans light dirt and scuff marks, including black heel marks, and prepares floors for burnishing. Recommended for use on machines up to 1000 RPM. SSS Full Cycle Floor Pads are Green Seal(R) GS-20 Certified for Environmental Innovation. For more details please visit SSS FC Green Seal Page .