This professional high buoyancy life jacket made of 200D Oxford polyester fabric offers buoyancy ≥8.5kg, effectively supporting adults in rapid currents. Featuring 6 evenly distributed reflective patches for enhanced night visibility and a rescue whistle for emergency signaling. Standard size 65×50cm, lightweight with front buckle design for easy wearing. Ideal for maritime storm rescue, flood control, earthquake secondary water disasters and other extreme environments, providing reliable protection for rescue personnel.