Watertight, crushproof, and dust proof Easy open Double Throw latches Retractable extension handle Strong polyurethane wheels with stainless steel bearings Open cell core with solid wall design - strong, light weight O-ring seal Automatic Pressure Equalization Valve Comfortable rubber over-molded handle Stainless steel hardware and padlock protectors Personalized nameplate service available With Pick N Pluck Foam (3 layers) Unconditional Lifetime Guarantee of Excellence