These porthole mirrors are made from brushed aluminum. They feature a green finish. The porthole is realistic looking, right down to the rivets surrounding the frame. The diameter is approximately 9" wide with the mirror dimensions reaching about 5" in width.
The hull of a ship is dotted with dozens of small windows called portholes. These windows provide air flow and light. Portholes give a scenic view of the sea and provide crew and passengers alike with fresh air, all the while maintaining protection against the elements during rough weather.