Bestop's exclusive Supertop NX black twill replacement top has a limited lifetime warranty. Exclusive 30 ounce triple-layer black twill fabric has superior durability and appearance. Black twill fabric as found on high-end sports and luxury cars like Camaro, BMW and Rolls Royce; smooth, wrinkle-resistant appearance and contains no PVC's. More flexible with a softer feel and superior cold-weather performance than factory sailcloth fabric; window panels are removable and replaceable with 31 percent tint. Expanded surface heat-sealing for strength and protection from climate extremes. 135 gauge polyester industrial thread use throughout with finished seams for lifelong durability. Premium hardware is black powder-coated for corrosion and scratch resistance. It features factory-style door surrounds and windshield header assembly, Bestop-exclusive top arch bar, quick release bow knuckles and adjustable tension base plate. No doors included; use with factory hard doors or any Bestop replacement door kit.