This life jacked is equipped with back-up oral inflation. In-Sight - shows GREEN if the product is armed and ready to use; shows RED if not ready to use. Provides comfort, safety, and peace of mind, without knowing you have it on, until you may need it. Soft extended neoprene neckline for all day comfort and with reflective material for greater visibility. 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. Use Onyx A-24 In-Sight Rearming Kit #1356 (K325). U.S.