1. One inflatable plug for kayaks, spare parts for inflatable valves of rubber rafts and kayaks, and replacement for old inflatable valves of inflatable boats. Good waterproof performance: The bottom of the air valve inflation screw is equipped with a rubber plug, which can effectively prevent air leakage. The design of other nuts and threads provides good sealing performance. It is an essential tool for outdoor water sports. 2. Durable: The inflatable plug for inflatable kayaks is made of high - quality high - density PP plastic. It is durable, resistant to seawater corrosion, can prevent leakage, and has a long service life. 3. Easy to use: The valve cap of the air valve adapter is simple and convenient to use. Its installation is also very simple and fast, which can save your time. 4. Thank you for purchasing products from the High Quality store, and I wish you a pleasant day.