It is better never trying to buy the cheap quality suspension mounts, as it will decrease the lifespan of your vehicle another point to tell you that when you are going to buy the suspension mounts, you should check the warranty period. The main material of the mounts is the natural rubber. The size of the mounts is different types. If the vehicle is bigger than the mount will be large. Again, when the vehicle is small, then mounts will be small. However, the performance of the mounts will be determined by the vehicle maintenance.