47" inch diameter sign for outfield distances Signs made with Quality vinyl prints and white aluminmum metal with a polypropylene core. Commemoration designs available for additional fee Coice of different fonts available Customization options available for an additional fee Baseballracks is a brand that tries to create something new and creative to make things beautiful and attractive. They say, "all the most beautiful things are round-shaped," and our diameters are no exception. We call our diameters beauty spots of the field. These signs are for various purposes and requirements, making the field look dynamic and attractive while serving their primary purpose of providing field instructions/warnings/markings and many more.