All welded, 14 gauge steel with 16 gauge steel back. Heavy duty, secure storage for outside applications. 3 full width shelves are welded in place. Double doors have protected pad-lock attachment (Pad-lock not included). Skid plates allow access for forklift trucks. Welded corners with drip shield to deflect rain provide protection from the elements. Side handles are included. Ships fully assembled ready for use. Gray textured powder coat finish. FOB Shipping Point.