Bello's Ice Blue Globe of the World 12" This globe is a great reference globe, including ocean floor features not found on most globes in addition to over 4000 named places and points of interest. This 12" globe has a strong plastic base and meridian. The sphere is made of a high quality fiberboard. Size: Globe 12 inches. Height: 17 1/2 inches. *Note: Globes are measured by diameter: A straight line through the widest point of the sphere. To help visualize, a basketball is about 10" in diameter, and a typical medium sized beach ball is about 16" in diameter.