An article is provided that includes a polymer having a surface that has excellent heat resistance, weathering resistance, or the like and has a low coefficient of friction. Additionally, a method of manufacturing the article is provided. The article includes a polymer having a surface that has been plasma treated in flowing gas including at least one type of silicon-containing gas selected from the group consisting of tetramethylsilane, hexamethyldisiloxane, and hexamethyldisilazane. The polymer is selected from the group consisting of silicones and fluorocarbon polymers.