Standard-type life jacket specifically designed for flood prevention emergency response and maritime rescue operations, made of densely woven 300D polyester oxford fabric filled with EPE high-density polyethylene foam providing buoyancy exceeding 9.5KG. The orange-blue structure conforms to international rescue standards, with shoulder-mounted prominent reflective patches enhancing visibility in various environments. One-size design combined with comprehensive adjustment system accommodates rescue personnel of various body types for quick donning and usage. Lightweight structure ensures comfort and mobility during extended rescue operations. Ergonomic design ensures stability and safety in turbulent currents. Widely applied in flood control and prevention, typhoon disaster rescue, maritime search and rescue and various emergency scenarios nationwide, becoming standardized emergency rescue equipment.