Turtlebackcase RA-CASIOCOMC811HDL Ranger Case and Holster for Casio GZ1 Commando - Non-Retail Packaging - Black Our Ergonomic Design Allows You To Use The Phone While In The Case And The Case Can Be Removed Form The Holster Quickly. The Casio Gz1 Commando 4G Lte C811 Turtleback Ranger Series Leather Case & Holster Is Solid, Durable And Protective. It Looks And Feels Great. This is a two cases system, a Fitted Leather case to protect your phone Which allows access to all phone functions and a Leather Holster equipped with a heavy duty metal clip to protect.