the rubber is prepared with multiple special rubber and natural rubber. so it possesses very good properties of wear resisitance , tear resistance and non-disintegration, etc. the adhesion between the rubber and steel frame is very strong. The disassembly is convenient, the cost is far less than that of a whole rubber truck pad and the selectivity is high so it is suitable for various excavators with steel track pad. The most signification characteristic is that the product can be used though there are no rubber erection holes in the steel track pad. the warranty is 12 months, and we promise good price.