It is a Nautical Marine Style Home Wall Decoration Ship Window Porthole salvaged from Old supertanker Ships. It is a Square window used on ships to admit light and air. Through Porthole we can see the outside world. It will look great on your home wall to give a Vintage nautical look. It is made up of solid Brass metal and glass and it is easy to install. It is built to suit your home wall decoration. Designed for internal as well as external applications. The metal is sturdy and strong. We have a bulk quantity of portholes in stock. Decorate your home today with one of our Portholes Window products!