It is a Nautical Marine Style Home Wall Decoration Ship Window Porthole with a cage salvaged from Old supertanker Ships. It is a circular 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 Aluminum 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!