Sunglasses can be made out of a wide variety of plastic frames, from Acrylic to Polyurethane. Plastic frames are generally the cheapest frames available and can be a great option if price is an issue.
Men's Spectacle Frames
Royal Son Rectangle Spectacle Frame For Men and Women (RS08560ER|51|Transparent Lens)
Men's Spectacle Frames
Royal Son Rectangle Spectacle Frame For Men and Women (RS08540ER|51|Transparent Lens)
Men's Spectacle Frames
Royal Son Round Spectacle Frame For Men and Women (RS0017F|47| Transparent Lens)
Men's Spectacle Frames
Royal Son Round Spectacle Frame For Men and Women (RS0016SF|47| Transparent Lens)
Men's Spectacle Frames
Royal Son Round Spectacle Frame For Men and Women (RS0015SF|47| Transparent Lens)