Trusted for over 40 years by the US Military, Single Lid Cases offer 20% more protective material in the edges and corners, where it is needed most, ensuring that valuable equipment is kept safe from any unforeseen elements. Available in several sizes, these cases are completely customizable with a wide range of bolt-on options like document holders, casters, humidity indicators and much more. Molded-in, tongue-in-groove gasketed parting lines for splash resistance and tight seals, even after impact Reinforced corners and edges for additional impact protection Molded-in ribs and corrugations for secure, non-slip stacking, columnar strength, and added protection Recessed hardware for extra protection Positive anti-shear locks, which prevent lid separation after impact, and reduce stress on hardware The Olive Drab Pelican AL4824-1604 Single Lid Case with no foam and no wheels features a hinged lid and is molded from lightweight, high-impact polyethylene. Exterior Dimensions : 51.62" x 27.62" x 23.36"Interior Dimensions : 48.62" x 24.62" x 19.67"Internal Base Depth : 15.8"Internal Lid Depth : 3.87"Lid Type : Hinged LidWeight : 57.3 lbColor : Olive DrabInsert : None -Comfort Grip Handles-Positive anti-shear locks, which prevent lid separation after impact-Reinforced corners and edges for additional impact protection-Molded-in ribs and corrugations for secure, non-slip stacking, columnar strength and added protection-Recessed black with nickel-black hardware for extra protection-Airtight lid gasket and PRV (pressure relief valve)