This top is manufactured using premium German Sonnenland A5 canvas. It is made with the factory upgraded German A5 Sonnenland cloth topping material with a twill outer weave and dobby inner lining. Includes a new tinted glass window with embedded defroster wiring. The rear window is securely bonded to the canvas topping material. There is no unsightly stitching, piping or trim pieces showing around the exterior of the window. The convertible top window bonding system provides an exceptionally clean look and extremely secure bond guaranteed to not fail for five years to the original owner.