1.Anti shock 2.Waterproof, airproof, dustproof 3.Anti high or low temperature(-40Degree to 98Degree) 4.Environment-friendly Material: Modified PP Two Press & Pull Latches O-ring seal 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(-30 ...