The Maritime Rescue Life Buoy is designed specifically for maritime emergency rescue, featuring a high-density solid foam core covered with waterproof abrasion-resistant Oxford cloth. Three sizes with outer diameters of 52/60/72cm, inner diameters of 27/35/44cm, buoyancy of 8/15/18kg, meeting different weight requirements from 25-90kg. Ultra-light design weighing only 0.21-0.43kg for quick throwing. Blue-white, orange-white, red-white, camouflage color schemes enhance maritime visibility, suitable for maritime rescue, coast guard, vessel safety assurance and other scenarios, providing professional equipment support for maritime emergency response.