Pads are made from tough, nonwoven synthetic material. They will not rust, splinter, or shred like steel wool. Pads rinse clean for repeated use. Use stripping pad with chemical strippers to remove paint and varnish. Use metal finishing pad to remove light rust and to clean and brighten metal. Use wood finishing pad for smoothing bare wood, rubbing in furniture oils, or denibbing between top coats. Each pad is packaged separately. Pads measure 4-1/2" x 11".