The Blackberry 8520/8530 Curve Turtleback Heavy Duty Case is a form fitted, extreme heavy duty case equipped with a tough metal clip. This case looks and feels great! The case superior design allows you to use the phone while in the case but can be removed in a snap. The case is made with a water resistant, dirt resilient tough Black Nylon Cordura. It's designed, manufactured and produced in the U.S.A. All our products come complete with a 100% Satisfaction 90 Day Guarantee.