Fosmon DURA S Series Flexible SLIM-Fit TPU Case for Nokia Lumia 520 (Black) Compatibility: Nokia Lumia 520 (AT&T & International Versions) SLIM-Fit design lets your showcase your smartphone by keeping it sleek. Frosted finish gives your Nokia Lumia 520 a smooth and comfortable feel Allows convenient access to all functions, cameras, buttons, ports and slots. Made with durable and flexible Thermoplastic Polyrtethane (TPU).