Aluminum Storage Cases Fabricated with 1mm aluminum sheet, horizontal deflection-ribs on the medium and large for rigidity. Same-size cases will stack due to reinforced top corners made of aluminum castings. Durable lightweight cases in a medium construction for easy transport Spring loaded handles and clasps are riveted to the body. Lids are hinged on the wide side and have hold-open tapes Rubber gasket in rim opening makes them dust resistant & prevents moisture from entering the cases We carry 3-sizes of these storage and transport tools: Large Case Measures - 30.83” x 22.83” x 15.75”, volume 41.2 gal, 16.28 lbs Medium Case Measures 27.17” x 19.29” x 13”, volume 24.5 gal, weight 12.32 lbs Small Case Measures 22.83” x 15.12” x 9.45”, volume 11 gal, weight 8.8 lbs These are a budget friendly mid-grade construction, sitting between the Zarges Transport or Alubox Pro and the entry level Alubox Sport line.