One-piece hood, ultrasonic seamless welding, double-sleeve double zipper design, light and comfortable, durable and pragmatic. Highly visible and conspicuous yellow Improves wearer safety. This protective suit can provide excellent protection against a variety of high-concentration organic and inorganic chemicals and biological media. Antistatic, multi-layer barrier fabric protects many chemicals. Used in industrial painting laboratory pipe installation pharmaceutical mining pesticides, etc.