Nautical Tropical Imports 12&rdquo; Nickel Finish over Solid Brass Heavy Porthole Window with 2" Deep Flange - Functional 12Dia Nickel Finish over Solid Brass Heavy Porthole Window with 2" Deep Flange Made of solid brass with a shiny polished nickel finish 2" Deep Flange making this item perfect for walls or doors Heavy porthole with a sturdy look of a ship replica window This porthole is opening and the dog ears are functional