Joysun synthetic felt buffing flap discs are the polishing tool attachments that are constructed by synthetic fiber and cotton fiber. These buffing felts are fitted and arranged in a fan shaped configuration onto a reinforced fiberglass or nylon backing plate with a phenolic resin. The soft buffing flap disc is excellent for polishing and finishing various metals, plastics and stone materials. The buffing flap discs can help you produce mirror finishes onto a variety of stainless steels and high tensile alloys.