FW40PRO Ergo Inflatable Auto - BlackSpecially built to fit the needs of public safety professionals. Built for optimum comfort - no stress at back of the neck.Features:Professional Model: FW-40PRO A -Automatic Model - Law Enforcement Version Buoyancy: 40 Pounds (38 Gram CO2) -Hi Vis Yellow Inflatable Cell -with ReflectiveShell Design: Zippered closure designInflator Type: Automatic HRC 1F Hydro V95000 compact inflator Color: Black Belt Design: 1.5" Nylon Webbing With Dual Adjustment Sliders (Right and Left) -with Anti Abrasion Rib PadsBack Design: Molded Foam and Mesh Construction For Comfort And Vapor Management Size: Universal