Features1Strong Rubber: Made of high quality rubber material which is stable with strong scalability, suitable for part replacement. 2Comfortable Riding: Rubber inner tube will absorb vibrations on bumpy roads to ensure a comfortable and safe ride, improving your experience. 3Standard Tube: Can meet the standard air pressure, has higher safety performance and longer service life than ordinary ones. 4Size Tip: Fit 18in wheel rim and tire of from 8.5in to 9.5in wide, please check the size to make sure this tube will fit you model. 5Suitable Situation: Suitable for golf carts, lawn mowers, trailers, trolleys, to replace the old or damaged inner tubes.SpecificationItem Type: Inner TubeMaterial: RubberColor: As ShownAir Valve: Straight ValveApplication: For Golf Carts, Lawn Mowers, Trailers, TrolleysWeight: Approx.900g/31.7ozPackage List1 x 18x8.50/9.508 Inner Tube