Nokia Lumia 2520 Case - Poetic Nokia Lumia 2520 Case [GraphGRIP Series] - [Lightweight] [GRIP] Protective Silicone Case for Nokia Lumia 2520 10.1 Inch Window RT Tablet Black (3 Year Manufacturer Warranty From Poetic) Made of durable impact-resistant silicone Excellent grip thanks to the rubber-like silicone material and playful grid marking Stylish grooved square pattern throughout All ports, buttons and speakers have precision cut-outs for easy access Designed for the Nokia Lumia 2520 10.1 Inch Window RT Tablet. Made by Poetic.