Onyx A-24 In-Sight Automatic Inflatable Life Jacket (PFD). U.S. Coast Guard Approved Type III Life Jacket / Personal Flotation Device (PFD). Features cylinder seal indication – a clear viewing window that shows green if the product is properly armed and ready to use; shows red if service is required. Automatically inflates upon immersion in water or when the wearer pulls the “Jerk to Inflate” handle. Provides comfort, safety and peace of mind for the sportsman, flatwater paddler or recreational boater without knowing you have it on, until you may need it. ReliaPull Guide for predictable inflation; assists in repacking. Universal sizing fits adults over 80 lbs. Not approved for children under 16 years of age.