[Wide-angle View] - The kayak wind sail with a clear window provides a good view to easily see objects behind the folding kayak sails, don't worry about blocking your view and ensure extra safety while sailing. [Perfect Protection] - Large kayak sail with 107 cm (42 inches) diameter, can effectively weaken ultraviolet radiation and protect you from the hot sun while sailing. With metal carabiners between the strap and the boat, your kayak wind sail will be firmly fixed. [High-quality material] - The kayak wind sail is made of environmentally friendly, strong polyester taffeta, durable and sturdy. The seams of the kayak sail are triple-stitched and the surrounding strip is made of composite material. [Easy to Use] - The kayak sail with compact design, easy and quick to set up and unfold. It is easy to handle with a control strap connected to your kayak. Hold the clamps to keep the kayak moving forward and just put it down to stop. Harness the power of the wind to get more performance and help paddlers make it easier on long trips. [Easy to Store] - This kayak wind sail is lightweight and portable, it can be folded into a 39cm bag, convenient for you to carry and store. The foldable pop up kayak sail is suitable for canoes, dinghies, boats, yachts, which can bring you a pleasant trip.