Wax in recent years, the development of silicone wax instead of wax wax wax material. Its excellent characteristics are loved and widely used by people. Silica gel is a highly active adsorption material, belongs to the amorphous material, its chemical formula is msio2 nh20., insoluble in water and any solvent, non-toxic, tasteless, stable chemical properties, in addition to strong alkali hydrofluoric acid, does not react with any substance, has higher mechanical strength and flexibility. The closest to the skin texture of the real person, elastic, suitable for any country climate temperature. Transportation and installation is more convenient than wax wax, it is not easy to damage, permanent coloring does not fade, washable cloth wiping, late maintenance convenience.