1.FLEXIBLE SAFE DESIGN The second generation automatic specially shaped paddle board balance rudder is designed with in mind. Unlike traditional fins, this fin is flexible and retractable, reducing the risk of injury for both adults and children when surfing. 2.GREAT FOR VARIOUS SURFING CONDITIONS This fin is perfect for surfing near shores, shallow reefs and even demanding fly fishing in whitewater, low water streams, rivers and shallow lakes. It adapts to different water conditions and ensures a smooth and pleasant experience. 3.Resilient Material Made of soft, flexible plastic, this 9' auto shaped tail fin is built to last. It is highly resistant to breakage and provides long lasting performance. It is also less likely to damage your board's fin box. 4.SLEEK AND ATTRACTIVE DESIGN Available in black and orange, this tail fin adds a touch of style to your paddle board. Its streamlined design improves maneuverability and stability, allowing you to ride on the waves with confidence.