14.25 x 11.25 X 4 Inch Stainless Steel Letter Box For Wall Mount, Large Slot And 2 Keys Dimensions - 14.25 (height) x 11.25 (width) x 4 inches (depth) Slot to deposit mail in is 1-inch by 11-inch so it will accommodate a magazine or large envelope Includes 2 keys- one to use and one to have as a spare Well ventilated - has holes in the bottom to prevent accumulation of moisture Can be mounted to the wall -(screws not included) - pre drilled holes for easy mounting