Serene-Life SLBT3BK851 85 3-Bow Aluminum Bimini Top. 3 Bow Bimini Top. 2 Straps and 2 Rear Support Poles. Marine-Grade 600D Polyester Canvas. EXTRA-THICK FABRIC: The deck top boat cover with straps is made of marine-grade 600 denier polyester canvas w/ neat & sturdy double-stitched seams. It is also waterproof & UV resistant for maximum protection against harmful UV, rain, sun, dirt. DOUBLE-WALLED ALUMINUM FRAME: This boat top cover features lightweight & durable 1 double-walled aluminum frame tubes for maximum strength & durability to withstand strong winds at sea. Ideal for jon boat, bass boats, fiberglass boats and more. 2 REAR SUPPORT POLE: Unlike other cheap boat covers, SereneLife 3-bow bimini tops for boats are equipped w/2 front straps & 2 rear support poles which ensure stability & fast fold. It is also space-saving and super easy to set up for next time use. ZIPPERED STORAGE BOOT: This boat bow shade bimini roof comes w/ a color-coordinated zippered bimini top boot cover so you can roll up the canvas into the boot for easy storage and prevent it from blowing off. COMPLETE SET: The fishing boat canopy set comes with all the necessary parts/hardware that you will need for easy setup. Includes 2 tubes, 3 crossbars, 1 canopy with storage boot, 2 rear support poles, and a hardware box. 3 Bow 6′L x 46″ H x 85″- 90. 3Bow Aluminum Bimini Top. Marine-grade 600D polyester canvas. All stainless steel mounting hardware. Color coordinated zippered storage boot. 1 Dia aluminum frame. Double-walled main bow legs for maximum strength.