These high-quality Globes are made of white acrylic,14 inches in diameter with a neck height of .81 of an inch and a 7.5-inch outside diameter riveted neck made of aluminum, inside opening is 6 inches. These globes are injection blow molded and Proudly made in the USA. Each is water and shatter resistant with UV inhibitors to prevent yellowing over time, ensuring you with a great looking and high-quality globe for years to come. This is a custom neck and not returnable.