The Onyx AM-24 Automatic/Manual Inflatable Like Jacket (PFD) will automatically inflate upon immersion in water or when the wearer pulls the “Jerk to Inflate” handle. You can convert this Life Jacket from AUTO/MANUAL inflation to MANUAL ONLY inflation. The AM-24 also comes equipped with a back-up oral inflation. This Life Jacket provides comfort, safety and peace of mind without knowing you have it on, until you may need it. Features: Comfortable, lightweight, low profile design Soft neoprene neckline for all day comfort Durable fabric resists tears and punctures For persons 16 years of age and older, and over 80 lbs. Not recommended for non-swimmers or weak swimmers Minimum buoyancy of 22.5 lbs. when inflated For replacement CO2 cartridge, use Onyx A/M-24 Rearming Kit #1352 (K320) U.S. Coast Guard Approved Type V Life Jacket/Personal Flotation Device (PFD) with Type III Performance Item contains a CO2 cylinder and may not be available to ship to Alaska or Hawaii