Watertight, crushproof, and dust proof Easy open Double Throw latches Open cell core with solid wall design - strong, light weight O-ring seal Automatic Pressure Equalization Valve Comfortable rubber over-molded top and side handles Stainless steel hardware and padlock protectors 2 level Pick 'N' Pluck with convoluted lid foam Personalized name plate service available Unconditional Lifetime Guarantee of Excellence Retractable extension handle Strong polyurethane wheels with stainless steel bearings