From the Manufacturer
The SentrySafe FIRE-SAFE chest is a great item to secure your belongings in your house or office. The 1150 model is UL classified with 1/2-hour proven fire protection and ETL verified 1/2 hour fire protection for CD's, DVD's, USB drives and memory sticks up to 1550ºF. The chest comes with a privacy key lock and convenient carrying handle. This chest is 60% larger than the leading fire-rated chest. This chest also has a lifetime after-fire replacement guarantee and a manufacturer's limited warranty.
Fire Chest features ETL Verified for 1/2 hour fire protection of CDs, DVDs, Memory Sticks and USB drivesup to 1550°F