This professional water rescue vest is made of 200D Oxford polyester fabric with polyethylene foam providing ≥8.5kg buoyancy support, ensuring rescuer safety on water. Equipped with quick-release system and 6 prominent reflective patches for rapid donning/removal and enhanced visibility in emergencies. Standard size 65×50cm, built-in rescue whistle, lightweight design, particularly suitable for earthquake-induced flooding, maritime rescue and water emergency response in complex environments.