Material: modified pp Two press & pull latches O-ring seal Automatic pressure equalization valve Comfortable rubber over-molded handle Two padlockable hasps Powerful stainless steel hinges Lifetime guarantee Anti shock, waterproof, airproof, dustproof, anti high or low temperature(-40íµ to 98íµ), environment-friendly products. Technique: injection molding technology Applications: widely used in police, military, firefighting, airline, field trip, search, rescue, photographic, scuba diving, medical and emergency first aid and more. Paper carton