All of these Gun Safes are rated for 90 Minutes of Fire Protection. Many of these safes offer UL Rated RSC Burglary Labels, UL Listed Electronic or Mechanical Locks and Lifetime Warranties. Most of these safes are tested and verified for their fire rating by an independent testing laboratory such as UL, ETL and other testing agencies. This Fire Rating denotes the safe's ability to last through a fire and keep an internal temperature (inside of the safe) at less than 350°.