This case contains no metal parts. Waterproof 31 short rifle case hard gun case tsa accepted elephant el3105 conv waterproof cases are tough, durable and reliable. 31-1/2 x 14-3/4 x 5-3/16 LxWxH. Waterproof IP67, Dust-Proof, Crushproof, Padlockable, Chemical, Corrosion and UV Resistant Hard solid wall design strong, light weight Made with antistatic Polypropylene (PP) Automatic Pressure Equalization Valve.