ZARGES K470 Aluminum Case (40677) Lid with stainless steel hinge, two lid straps and foamed seal all around Cast-aluminum stacking corners and high level of stability due to 3 fully-welded aluminum profile frames Ergonomic & durable comfort snap fasteners that can be secured with a plug lock, lead seals, spring anti-opening feature or a padlock Ergonomic heavy-duty sprung drop handles Lightweight, water resistant, wind and dust proof, fully recyclable, corrosion-resistant