Constructed of heavy duty Brite-Tread aluminum. Black-Tread powder coat, provides a gloss black finish while it protects and prevents oxidation. Crown style lid with a full pan double-V stiffener for superior rigidity. Other features: lockable push-button handles, dampened gas shocks, closed cell foam gasket, and self-adjusting strikers. Removable plastic tool tray to help keep small items organized.