Guerrilla Leather Hard Slide Case-Cover for TI-84 Plus, TI 84-Plus C Silver Edition, TI-89 Titanium Graphing Calculator, Orange Protect Your Graphing Calculator. Please note: Product is a case only. Calculator NOT included. Made from highest quality non- breakable PC plastic/highest grade pu leather Easy "Slide On/Slide Off" Technology Guerrilla is a leading brand of calculator accessories Fits the following graphing calculators: TI 84 Plus, TI 84 Plus Silver Edition, TI 84 Plus C Silver Edition, and TI 89 Titanium.