Sparks and spatters can easily damage automotive glass or other parts when automobiles are repaired, welded and ground with sheet metal; the protective blanket is coated on the surface of satin fabric (material is made in Germany) with high oxygen silicon cloth; the fire resistance reaches A1 level and the heat resistance can reach about 1000 C; it is mainly used for welding and protection. Welding, meson welding, grinding and other processes; its soft surface, no damage to automotive paint.