1.Leak-proof Performance: Made of high-quality plastic materials, the adapter has high pressure resistance. It is durable with strong sealing and leak-proof performance, excellent air leakage performance.2.Lightweight and Portable: Lightweight and portable, the adapter is easy to carry and store, no need to carry different types of inflation tools. The multi-function valve adapter can meet all your needs and reduce your burden.3.Wide Application: The adapter is suitable for all kinds of surf paddle boards, canoe, kayak, inflatable boats, inflatable beds.4.Easy to Inflate: The adapter makes it easy to inflate and deflate boats. With gasket inside, there will be no air leakage between the adapters.5.Fast Connection: The adapter makes a fast connection between hand pump valve adaptor and other valve adapters.Specification:Diameter: about 3cm/1.18inMaterial: PA6 glass fiberSuitable for: paddle board, canoe, inflatable boat, assault boat, inflatable pool, floating row, inflatable bed, etc.Packing List: 1*Air Valve Adapter 4*Air Nozzle