1. RELIABLE Navigation: with three seam lines and unbreakable composite fins, our sail promises a resilient journey that will stand the test of time while being crafted from high quality polyester for a sustainable solution to your sailing needs. 2.With clear window: Equipped with a transparent window design, our paddle board sail expands your field of view, so you can quickly react to changing water conditions to ensure a and pleasant adventure. 3.Wind Powered Adventure: By using wind power, this paddle board sail ensures efficient use of energy, reduces physical exertion and makes sailing effortless. Enhance your kayaking experience with improved speed and easier completion of longdistance travel while delighting the beauty of natural drive. 4.Sun protection simplified: Enjoy nature without worrying about sun damage with our paddle board sail. Its effective reduction of UV radiation and compact design make it easy to store and carry, providing both protection and comfort.