The steel belt and polyester casing construction helps maintain the ideal tire shape under the driving and load pressure. It prevents the tire's deformation under the pressure, which improves the load carrying and withstanding ability and power. This significantly enhances the tire's load capacity. The polyester casing also provides a comfortable driving experience. It ensures the tire's close surface contact at all times, which enables the model to absorb the shock of driving. In this manner, the road vibrations are not created and the road disturbances are not felt in the vehicle's cabin by the passengers while the tires are in motion, which guarantees a comfortable driving experience.