Good materialValve adapter structure is strong and durable, long service life, rubber has good air tightness, seals material is copper, anti-leakage, can be safe to use Quick inflationThe air valve adapter allows the ordinary air cylinder to connect directly to the board, it fully inflates in 5-10 minutes.Time is determined by the speed of the air pumpThere is no need for a special board air pump Lightweight and portablePortable Valve Adapter is easy to carry, without the need to carry different kinds of inflatable tools, dimensions: 7.8 x 3.4 CM Universal use The Sup valve adapter Suitable for most inflatable boats, river boats, used for various canoes, sup, kayaks, paddle boards, inflatable boats, etc Ideal toolInflation can be achieved without the use of tools s heavy inflatables, saving you a lot of time