[Quality Weather Resistant Material]:Our sailboat mainsail cover is constructed with 1200D fabric,Made of solution-dyed, fade-resistant,and marine grade polyester with PU coated back,waterproof and breathable material allows moisture out; Designed to prolong the lifespan of your sail by protecting it from exposure weather resistant.
[100% Waterproof and UPF 50++ Sun Protection]Mainsail boom cover is made of polyester with a 4-layer waterproof PU coating,which makes it can stand up to 14000 Pa water pressure.Anti-UV composite reaches UPF 50++ to help block up to 95% of UV rays and efficiently keep your boat from rain, storms, winds,and direct summer sun.
[Marine Stitching and Soft Cotton Lining ]:Four-layered hem and double Marine stitching,it will NOT tear and crack in the case of long-term high temperature and rain soaking; Extra Soft Cotton Lining to cushion external impacts, reduce friction, at the mast area prevents the heat from weakening and stressing the cover.
[Secure fit and Ease of Use ]: Our Mainsail Cover is designed for convenience, Heavy duty #10 Zipper along the mast makes the cover easy to install and remove; along the mast end with a tie-up string at the top, covered by a storm flap with 2" wide Velcro closure to protect the zipper and keep the water out;Adjustable webbing tie-down straps with built-in buckles along the bottom edge of the boom for a fast and snug fit to prevent flapping,And include a storage bag.
[Design Universal Fit ]:Sailboat mainsail cover is selection of sizes and colors; Simply measure from the center of the mast to the end of the boom to determine the length you need, and choose the color; 1 year limited warranty.