Composed of multiple layers of special chemical protective film and polyester non-woven fabric, it passes the EN1149 anti-static test; certified by the European CE mark; features a back-entry design to enhance frontal protection, with a 20mil thick PVC chemical-resistant face shield; provides clear and undistorted vision, double zippers and placket at the back, integrated chemical-resistant booties and protective boot flaps at the feet; includes a backpack at the back, equipped with two independent exhaust valves to ensure protection against the intrusion of harmful substances; typical applications: chemical, pharmaceutical, petroleum, and firefighting industries, tank cleaning, equipment inspection and maintenance, emergency response, pollution environment cleanup, public health, and disease prevention and control.