FitSand (TM) Travel Protective Portable Carry Zipper Storage EVA Hard Case Pouch Box for Texas Instruments TI-89 Titanium Programmable, Texas Instruments, Casio, HP, SainSmart Graphing Calculator This Case Travel Bag will fit and protect Most Graphing, Scientific and Financial Calculators. Made of Durable EVA Anti-Shock, With Soft Interior layer with Mesh Inner Pockets for cable / USB connector. Includes Wrist strap for your Comfort. Fit with the Guerrilla Silicone Case and the slide case. 1 x Graphing Calculator Case for Texas Instruments TI-89 Titanium Programmable Graphing Calculator, Texas Instruments, Casio, HP, SainSmart Graphing Calculator