Traditional Top, with square cut fabric. Designed specifically for pontoon boats, the frames for these tops are made of quality 1" square anodized aluminum tubing to match the rail sizes of most popular pontoon boats. Attwood pontoon Bimini Tops include mounting hardware and front tension straps.They also include: Rear Support Bracket Storage Boot in matching colorBimini Top FabicsDouble needled seams are sewn 4-ply for extra strength with no exposed raw edges. Quality needle work and stitching thread help resist leakage along the seams.Premium Sunbrella Brand Acrylic Fabric GY - Gray Acrylic BE - Beige Acrylic GN - Green Acrylic BK - Black Acrylic RD - Red Acrylic BL - Blue Acrylic NV - Navy Acrylic AQ - Aqua Acrylic TL - Teal Acrylic BG - Burgundy AcrylicVinyl FabricThe most popular bimini top fabric is made of top-quality denim-backed vinyl, these economical tops are completely waterproof and easy to clean. WV - White Vinyl BV - Blue Vinyl BGV - Burgundy Vinyl