3M floor pads are made to exacting standards and are backed by ongoing innovation and advancements in technology that make them among the most effective pads in the industry! This pad is made of nylon and polyester fibers and has abrasive particles bonded throughout the entire non-woven construction, instead of just the surface like some competitive pads. Its reliable, uniform construction guarantees less machine wobble and vibration, less operator fatigue, and better overall results. Plus, this pad is washable, reusable, and reversible for incredible longevity! And for added versatility, this pad has a perforation in the middle so that it can be used with or without the center hole.