Metal Nautical Porthole Ship's Porthole. This Premium Metal Porthole Has Been Crafted Out Of High Quality / Grade Silver Lined Aluminum Which Has Later Been Nickel Coating To Give It The Steel-Like Finish! You Are Going To Love Every Bit Of This Beautiful Porthole As It Looks Even More Beautiful In Person & Real Life Scenarios ! It Makes A Great Bathroom Decor And Its Very Easy To Hang As Well! All You Gotta Do Is Just Drill Couple Holes And Tuck It In! Keep Exploring Nagina International For More Exceptional Impressive Nautical Decor.