The Onyx M-24 Manual Inflatable Life Jacket provides manual inflation where the wearer pulls the inflation handle to provide flotation. Equipped with back-up oral inflation. Provides comfort, safety and peace of mind without knowing you have it on, until you may need it. Lightweight, low profile design. Durable fabric resists tears and punctures. Always read your Owner's Manual for the proper way to initially arm your life jacket with the CO2 cartridge, and how to re-arm it after it's been inflated.Equipped with back-up oral inflationProvides comfort, safety and peace of mind without knowing you have it on, until you may need itComfortable, lightweight, low profile designSoft neoprene neckline for all day comfortReflective piping for greater visibilityDurable fabric resists tears and puncturesFor persons 16 years of age and older; and over 80 lbs.Not recommended for non-swimmers or weak swimmersMinimum buoyancy of 22.5 lbs. when inflatedFor replacement CO2 cartridge, use Onyx Rearming Kit K301U.S. Coast Guard Approved Type V Life Jacket / Personal Flotation Device (PFD) with Type III Performance