17 inch Red Pad. Specially designed for spray buffing. Cleans when damp, buffs when dry. Quickly cleans and removes scuff marks and enhances floor appearance. Works great on automatic floor scrubbers for light-duty cleaning. Quickly clean and remove scuff marks to enhance floor appearance with 3M Economy Cleaning Floor Pads. These red pads are designed for everyday cleaning and light scrubbing to remove light soil, scuff marks and black heel marks. They clean when damp and buff when dry.