Durable 600D Sunshade Fabric: This boat awning is made from heavy-duty 600D marine-grade polyester fabric, offering excellent UV protection (Sun Shade) and water resistance (>PU1000). The fabric is designed to last longer without fading or cracking, thanks to its high-density weave and double-stitched seams. Ideal for keeping you cool and dry on the water! Wind-Resistant Up to 45 MPH: Built to handle wind speeds up to level 3-4, this boat bimini top features sturdy 1-inch thick aluminum poles and connectors for solid support. No more worrying about it flipping over or swaying in strong winds. Tip: If your boat speed exceeds 45 mph, its easy to fold the canopy for security. Foldable & Compact: With two support rods and four straps, you can easily adjust and fold the awning either backward or downward to suit your space