These high-quality Globes are made of white acrylic,18 inches in diameter with a neck height of .62 of an inch and a 9-inch outside diameter solid flange, inside opening is 7.5 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. Browse our huge selection of other globes and great products today. This is a custom neck and not returnable.