If you are purchasing classroom sets of TI-Nspire™ CX or TI-Nspire CX CAS handhelds and would like to have slide cases, choose from three colors. Slide cases are available in EZ-spot yellow, black (which coordinates perfectly with the TI-Nspire CAS handheld), and blue. Easily accessorize the newest addition to the TI-Nspire™ family of handhelds.