The Pelican 0550 Transport Case with Foam has four extra-deep base-to-lid locking cleats ensure maximum stacking stability. It fits with six 0550 Cases per 463L military pallet, 18 when stacked. It has easy open double throw latches. Features Open cell core with solid wall design - strong, light weight Reinforced honeycomb deck and lid for added strength O-ring seal for dust and water resistant seal (IP55) Dual Integrated Automatic Pressure Equalization Valves Double wide grip fold down handles - makes lifting easy Lifetime Guarantee of Excellence Stainless steel hardware and padlock protectors Locking metal Lidstays keep lid locked in open position Store documents outside the case with the Document Container Built to move: by forklift, by wheel or by hand Over 11 cubic feet of storage space. Technical Details Open cell core with solid wall design - strong, light weight Reinforced honeycomb deck and lid for added strength O-ring seal for dust and water resistant seal (IP55) Dual Integrated Automatic Pressure Equalization Valves Double wide grip fold down handles - makes lifting easy Exterior Dimensions: 51.05" x 27.54" x 22.79" Interior Dimensions: 47.57" x 24.07" x 17.68"  See All Pelican Case Categories: All Pelican Cases - Micro Cases - Small Cases - Medium Cases - Large Cases - Cube Cases - Gun Cases - Laptop Cases ÂPelican Products