Constructed of durable, optical-grade, .236” UV protected polycarbonate. Provides great visibility and reliable protection from dust, wind, weather, and off-road hazards. Installs quickly and easily in mere seconds using quick snap toolless clamps seating securely within a recess formed by the vehicle frame. The full perimeter automotive grade bulb seal creates a superior fit and seal for maximum comfort and protection. Forms industry best full cab weather seal when combined with factory hard top, rear panel, and door uppers (sold separately).