This professional work life jacket features 400D waterproof Oxford cloth outer layer and polyethylene foam filling, specifically designed for water emergency rescue, providing over 7.5kg of buoyancy support. Fully complying with GB/T32227-2015 professional rescue standards, its one-size design fits various rescue personnel. The orange-red high-visibility appearance combined with shoulder-to-chest reflective patches ensures clear visibility during all-weather water rescue operations, making it essential professional equipment for water disaster emergency response.