The Master Lock Medium Key Locking Fire & Water Chest is not your typical safe, this waterproof fire-resistant chest has a sleek new design with a flush-mounted faceplate and new rugged look. The chest also features a carrying handle making it convenient to pick up and transport important documents and valuables. UL Classified for Fire Endurance (1/2-hour at 843C), to ensure the protection of documents, records and valuables in the event of a fire. UL Classified Explosion Hazard Test Subjected to a flash fire in a 1093C furnace for 20 minutes, the unit will not explode or rupture. ETL Verified for 1/2-hour fire protection of digital media up to 843C in the event of a fire. ETL Verified for water submersion to protect valuable items and documents from flood damage. Dimensions (HxWxD) External 16.8 x 39.1 x 36.3cm. Internal 11.2 x 32.5 x 21.6cm.