Professional flood relief life jacket with triple fixation system design ensures stability in rapid currents. Equipped with high-decibel rescue whistle for sending distress signals in noisy environments. Features 380D thickened Oxford cloth outer layer with polyethylene foam filling, providing ≥7.5kg buoyancy support. Size 55×40×5.5cm, suitable for personnel weighing ≤100kg. High-visibility orange with shoulder yellow reflective strips improves visibility in all weather conditions. Complies with GB/T 32227-2015 "Ship Working Life Jacket" standard, ideal safety equipment for flood control and disaster relief.