Ancheer Boat Cover Heavy Duty 210D Marine Grade Polyester Canvas Trailerable Waterproof Runabout Boat Cover, Fits V-Hull,Tri-Hull,Fishing Ski, Full Size Boat Cover With Carrying Bag The trailerable boat cover is made of 210D heavy duty marine grade polyester canvas which is designed for extra durability and all-weather protection, won't shrink or stretch This light and strong boat cover comes with double PU coating to resistant to dirt ,stains ,sun fade, mildew and UV damage, designed for both long-term storage, mooring and highway travel The buckle and strap system gives a tight, custom fit and makes it easy to remove when it's time to hit the lake and allows for fast attachment when bad weather looms This boat cover can support four boat size12-13FT (145x109inch L*W), 14-16FT (180 x 114 inch), 17-19FT( 216 x 129 inch ), 19-22FT(264x131inch) One year limited warranty?If you have any questions about our service or product, please feel free to contact us, we will support the best solution