Features: ONE-WAY VALVES: This Inflatable Plug is a one-way air-valve, which is more easier for you to inflate quickly, prevent airs leakage. Premium: Made of quality high dense PVC plastic, sturdy, anti-corrosion. Easy to install: Marine airs plugs are good replacement parts for inflatable boats. Easy to install, good performance and long service life. HAT DESIGN: The valves hat design ensures anti-leak inflation. Please check size to make sure whether your valves bung fit this plug before purchase WIDE APPLICATION: This Inflatable Plug Valves is suitable for various of inflatable tools like kayak, raft and so on. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: PVC Package List: 2/4pcs Airs Valves