Hinges made of stainless steel. Lid seal for dust and splash protection. Stabilizing stiffening beads. Loadable retaining straps on the lid. Security provided by lock installation lead seal or padlock. Wall thickness of 1 mm. Non-slip stacking corners made of high-quality plastic. Very comfortable spring drop handles with plastic coating, suitable for heavy loads. Practical comfort folding latches. Aluminum construction is attractive and easy to clean, corrosion resistant, has a long service life, is heat and cold resistant, insensitive to moisture, odorless, hygienic, and fully recyclable.