First Quality Canvas Cloth DOT approved heated glass window 1 Year Warranty Factory-style hand-rolled bindings Precision cut with Gerber automated computer guided cutting equipment The entire top is cut from the same bolt of cloth for consistent color & pattern, Stitched with matching colors using the finest bonded polyester threads, Factory-style headliner attachment installed around window with pre-punched holes, Deck seams are heat-sealed from the inside as original using specialized equipment, Plastic, pre-punched retainer attachments are sewn-in for an easy installation.