Good materialValve adapter structure is strong and durable, long service life, rubber has good airtightness, seals material is copper, anti-leakage, can be used safely safety Fast inflationThe air valve adapter allows the ordinary air cylinder to connect directly to the board, it fully inflates in 5-10 minutes.The time is determined according to the speed of the air pumpThere is no need for a special board air pump Lightweight and portablePortable Valve Adapter is easy to carry, no need to carry different kinds of inflatable tools, dimensions: 7.8 x 3.4 CM Universal use The Sup valve adapter Fits 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 heavy inflatable tools , which saves you a lot of time 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. Sold by-Dadangjia