Leader Accessories New Grey 600d Solution Dyed Polyester and 1 Inch Aluminum Frame 4 Bow Bimini Top Boat Top Cover with Mounting Hardwares 600D solution dyed polyester, strong enough 1'' Aluminum frame and free quick release mounts Moisture barrier prevents mildew, Waterproof and UV resistant, Fits most boats All stainless steel mounting screws, and other tools included 5 year warranty