1、Easy to inflate: The adapter makes the boat easy to inflate and deflate. When there is a gasket inside, there will be no air leakage between the adapters. 2、Quick connection: The adapter establishes a quick connection between the manual pump valve adapter and other valve adapters. 3、Leakproof performance: The adapter is made of high-quality plastic and has high pressure resistance. Rugged and durable, with strong sealing and leak-proof performance, excellent air leakage performance. 4、Wide range of applications: The adapter is suitable for all kinds of surfboards, canoes, kayaks, inflatable boats, and inflatable beds. 5、Lightweight and portable: The adapter is light and portable, easy to carry and store, no need to carry other types of inflation tools. The multifunctional valve adapter can meet all your needs and reduce your burden. Diameter: about 3 cm Colour: Black Weight: 46G Material: hard plastic Suitable for: paddle board, canoe, inflatable boat, assault boat, inflatable pool, floating row, inflatable bed, etc. (Customers need to bring their own sup air pump.) 1 * Air valve adapter 4 * Air nozzles Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.