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 warranty is 12 months, and we promise good price.