Features:1. 22mm diameter, suitable for brand inflatable items.2. Applicable for inflatable boats, air bed, fishing boat, canoe, rubber dinghy, etc.3. One-way inflation valve, easy for installation and quick inflated.4. Designed with a cap and screw thread for anti- inflation.5. Made of quality material, having good performance and long serve life. Specification:Condition:100% Brand NewMaterial: PlasticColor: BlackDiameter: 22mm/0.92inPackage List:1PC * Air ValveNotice:Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering.Please understand that colors may exist chromatic aberration as the different placement of pictures.