For double fire protection for important documents, the SnapSafe FireBox is a fire protection safe within a safe. The SnapSafe FireBox is recommended for use INSIDE all fireproof home safes. It’s perfect for valuable papers such as birth certificates, marriage licenses, titles, passports and backup hard drives. With its extra layer of 1 Hr. 2300°F rated Fire Shield protection, and a fire blocking inner lip-seal and stainless steel latch, the FireBox provides extra security against damage from fire, water and smoke. For extra safety and security, a SnapSafe FireBox is vital backup protection.