Create a very distinctive nautical look anywhere with this beautiful solid brass porthole window with an adjustable flange for indoor or outdoor use •The outside diameter of this porthole is 8" •The visible diameter of the window is 5". •Flange adjusts up to 1¾” in depth This porthole window has two round dogs and fully opens with glass inside on the opening door. There is no glass on the outer side, however there is an outer trim ring. This porthole window makes the perfect addition to your nautical home decor. It could help turn that special area in your nautical home or office into your own beach house or coastal themed area. They also make a great nautical gifts, a beautiful piece of coastal decor, a nice piece of nautical wall art as well as being a great addition to your nautical decoration.