FitSand (TM) EVA ProtectiveTravel Carry Zipper Portable Storage Hard Case Bag Pouch Box for HP Prime, Texas Instruments, Casio, HP, SainSmart Graphing Calculator - Graphing Calculator Case 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 HP Prime, Texas Instruments, Casio, HP, SainSmart Graphing Calculator