Description 1. shoulders with two reflective bands, in water is obvious to argue, is found in the sea, convenient rescuers searchlights to find help, to ensure the safety of distress 2. of the EPE high buoyancy foam, large buoyancy, greater than 7.5KG 3. lumbar and abdominal design can adjust the degree of tightness, suitable for different size people wearing The 4. cross belt design, ensure the ...