5 – 20″ diameter, 1″ thick floor maintenance pads designed for a floor buffer. Green for wet scrubbing. Can be used on both sides. Available in white red, green and black for all your maintenance needs. Mercer Industries floor maintenance pads are 1 thick and available in 15″ through 20″ diameter in white, Red, Green and black for all your floor maintenance and refinishing needs. Can be used wet or dry and are washable. Made with an open web design and thick construction for durability and to prevent snagging. Use on hardwood floors, tile, and Natural or artificial Stone.