- Holes for padlock
- Waterproof and dustproof design (MIL-C-4150J)
- Molded-in hinge for added protection
- "Trigger-release" locking system
- Pressure equalization valve (MIL-STD-648C)
- UV, solvent, corrosion and fungus resistant (MIL-STD-810F)
- Impact resistant (MIL-STD-810F)
- Lifetime warranty