This surfboard leash is made of TPU and neoprene rope, strong enough to handle the longest and heaviest boards. It features a sturdy and safe design with double stainless steel swivels and a triple wrap rail saver. The leash is comfortable and easy to use, with an ankle cuff and a key pocket. It is durable and resistant to seawater corrosion, making it perfect for flatwater paddling and surfing.