Description: Made of high quality PVC material and equipped with sealed - durable, long lasting and air-proof 6 holes, easy to inflate and to deflate Filter Screen at the bottom prevents the foreign matter getting inside Comes in three parts: an inside part, an outside part and valve Suitable for most inflatable boats, rubber boats, surfboards, kayaks and canoes, dinghy rafts and etc. Specification: Material: PVC Top Diameter: Approx. 60 mm/2.36 inch Height: Approx. 47 mm / 1.85 inch Color: Gray Package Includes: 1 Piece Inflatable Boat Air Valve : Due to the differences between different monitors, the picture may not reflect the actual color. There is 2-3% difference according to manual measurement, please check the size carefully before you buy the item.