This disaster emergency life jacket uses 400D Oxford waterproof corrosion-resistant fabric with high-density EPE pearl cotton filling, providing 100N strong buoyancy to prevent drowning effectively. Equipped with professional reflective strips ensuring high visibility and enhancing night search efficiency. Resistant to saltwater corrosion, suitable for complex disaster environments including floods and tsunamis. Multiple sizes available, supporting weights over 170 jin, providing comprehensive protection for emergency rescue personnel.