Perfect for keeping dust off of your favorite collectibles or for exercising your creative side, this glass dome measures EXTERIOR SIZE: 5.5" wide by 8" high (+/- .1") INTERIOR SIZE: 5.5" wide by 7.625" high (+/- .1") This dome begins to arch at approximately 5". Base is approximately 6.5" in diameter and 0.675" thick. Makes a great baseball display dome when paired with our Brass Finish Baseball Display Stand. Also is a wonderful golf ball display when paired with our Brass Finish Golf Ball Display Stand. Comes with your choice of walnut base, brass base, or oak base. Add a lazy susan attachment that can be glued to the base to add extra dimension to your display. Please choose desired base type below: