Most burglars spend less than six minutes inside a victim's home and only have time to check the most obvious places for valuables. With this product you can hide your valuables in what looks like an ordinary wood mantle shelf- the last place a thief would think to look. This is an actual mantle shelf with a hidden drawer. The outside dimensions of the shelf are 17 7/8 inches x 5 5/8 inches x 7 3/8 inches. The inside dimensions of the drawer are 13 5/8 inches x 3 inches x 1 1/4 inches.