This large safe is wonderful for keeping all of your most valuable items safe. It is a fair size, with dimension of 19.125" (H) x 13.5" (W) x 15.75" (D). Like all of our MESA fire safes, it is built with solid steel construction and has a UL listed 1 hour fire rating. The door has an overall thickness of 4”, enormous 1” diameter locking bolts, and has fire resistant material. The body has an overall thickness of 3.5”, and a 2 story impact rating. You will be happy knowing your valuables are protected from the risks of fire and theft.