Turtleback Sonim XP10 Black Nylon Fitted Phone Case with Rotating Metal Belt Clip. Perfect for your tough every day needs, the Turtleback Heavy Duty Nylon phone Case is rock solid, durable and protective. It looks and feels great! Our ergonomic design allows you to use the phone while in the case. All phone ports, buttons and screens are accessible while in the case. This Case is US Built and is Made to do the Job.