This professional firefighting life jacket features a wear-resistant waterproof Oxford fabric outer layer with EPE high-density polyethylene foam filling, providing ≥100N total buoyancy with ≥50N inherent buoyancy. Equipped with a ≤5-second quick auto-inflation system, it meets emergency rescue needs in firefighting, floods, and inundations. The high-visibility orange design with reflective strips enhances night recognition, while the chest rescue whistle facilitates emergency distress signals. Universal size fits most rescue personnel, with customizable organizational logos and functions.