Guerrilla Silicone Case for Texas Instruments TI-84 Plus C Silver Edition Graphing Calculator, Red Protect Your Graphing Calculator. Please note: Product is a case only. Calculator NOT included. Enables easy access to all buttons and functions Made from the highest quality non-tear silicone- with ultra grip technology Guerrilla is the #1 brand of calculator accessories NOTE: Does not Fit the Older TI 84 Plus Models (Fits only the color screen version)