Here are the key details for this carbon fiber case tailored for the iPhone Duo:
Design & Aesthetic
 Carbon Fiber Finish: Features a woven black carbon fiber texture across the back panels, providing a modern appearance with enhanced tactile grip.  
 Two-Part Form Factor: Built as a split two-piece cover designed specifically to fit the folding screen chassis of the iPhone Duo, allowing smooth opening and closing without interfering with the hinge mechanism.
 Matte Black Edges: Black border framing around the perimeter and inner bezels.