XYD small Gunsafe With 3 Digital Combination Lock System.Durable Structure with Special Coating】XYD small smart gun safe is made of high-quality materials-solid steel. The surface of this gun safe has been specially processed, so it is anti-fire, anti-pry, anti-rust, and anti-scratch. There is also a thick protective memory foam insert to the safe to ensure security and prevent collision of your valuables.allso comes with instructions inside to set combination.allso steel cable inside to secure safe to fixed objects.