Steel FIRE SAFETY FEATURES: Safety cabinets have an all welded 18-gauge construction with 1-1/2" insulating air space for increased fire protection; Lockable flush mounted handle with 2 keys, grounding connector, twin 2-Inch flame arrestor vents HEAVY DUTY CONSTRUCTION: The metal cabinet doors are double wall 14-gauge outside & 18-gauge inside with 56% more steel in the door than competitors, 4" heavy duty welded hinges with brass pins, adjustable leveling feet & durable powder coated finish QUALITY CHECKED: This Safety Flammable Storage Cabinet meets multiple international fire and safety certifications and standards, including OSHA, NFPA Code 30, Uniform Fire Code (UFC 79), and FM Class 6050 approved CAPACITY: 2 adjustable galvannealed steel shelves, maximum chemical storage 90 gallons; 2-Inch leakproof sill contains leaks and spills inside the cabinet; Safely store your gas can or other gasoline container and hazardous flammable liquids FIRE CABINET DIMENSIONS: 43-Inch Width x 18-1/4-Inch Depth x 65-3/8-Inch Height;