TPI has made our own Bikini tops and Dusters since 1975. Black vinyl with adjustable straps. Duster comes with 3 footman mounting loops to mount to floor. Adjustable straps mount to factory or TPI roll bar. Window is zip & flip allowing you to reach your cooler. Helps keep rain, trail dust, snow and cold wind from flying down your neck. Helps reduce noise. Can be used with hard top especially when using the TPI air conditioner or on extra cold days to help regulate front cab temperature.