1.Anti shock 2.Waterproof, airproof, dustproof, 3.Environment-friendly products 4.Anti -30DEGREE to 120DEGREE temperature Description: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 ...