This high-quality replacement globe is 22 inches in diameter, one piece injection blown molded clear acrylic, with an 8.25-inch minimum opening and up to a 13 inch maximum. Made in the USA, this globe is designed to last a long time, it is water and shatter resistant with UV inhibitors to help prevent yellowing and sun damage. The opening can be made larger to give a perfect fit no additional cost, though this is a custom opening and is not returnable. Shop this and other great lamp post globes today. To request a custom opening, please enter the opening desired in the comments section at the bottom of the checkout page, or call 800-665-3594. If no custom opening is indicated, the globe will be sent with the minimum opening indicated in the description.