Set of 2 Wave Glass Post Cap and Deck Railing Lights are great for everything from accenting decorative elements of your deck, to illuminating dark paths and fencing. Whether you are trying to show off your deck or prevent trips and falls, the Wave style Solar Post Cap and Deck Railing Lights are for you. They fit 4 X 4" wood and vinyl posts. The Wave Glass style Post Cap and Deck Railing lights are made from thick, beautiful glass. Color: Dark Bronze.