1.Material: Made of polyester, this 42 inch kayak sail has been built to last. It is tear resistant and designed to withstand different weather conditions to ensure you can enjoy your adventures without worry. 2.Improved performance: this kayak sail creates the wind and helps you glide effortlessly over the water. It provides shade and protection from the sun, making your water trips more comfortable and enjoyable. 3.VERSATILE This kayak canoe sail is ideal for various watercraft and is perfect for kayaks, boats, sailboats and canoes, improving your speed and efficiency. 4.Clear PVC window: the integrated PVC clear window allows better visibility and ensures and efficient navigation. You can easily keep an eye on your environment and enjoy the advantages of sailing.