The kayak wind sail is made of eco-friendly strong pvc, durable and sturdy. The seams of the kayak sails are triple-stitched and the perimeter batten is made of unbreakable composite materials. The kayak wind sail with a clear window allows for good visibility to easily view the items behind the foldable kayak sails, about blocking your view and guarantees you extra safety while sailing. Perfect protection, 42 inch (108 cm) diameter, can effectively weaken ultraviolet radiation and protect you from the hot sun when sailing. With metal carabiners between strap and boat, your kayak wind sail will be firmly fixed by you. Compact design, easy to use and set up and deploy quickly. It's easy to handle with a control strap that connects with your kayak. Hold the clips to keep the kayak going forward and just lay it down to stop. Use the power of the wind to give you more power, help paddler people get easier on long trips. Lightweight and portable, easy to carry and store. The foldable popup kayak sail is suitable for canoes, inflatables, boats, yachts, which can provide a happy voyage for you. Specification: Material:PVC Size: 108x108cm/42.52x42.52inch Color: Red, Blue White Package Includes: 2 Pieces Kayak Sails 2 Pieces Carrying Bag