This Butterfly Base can be used as a Gazing Ball Base or even for a Sundial Base. It''s wide enough and tall enough to hide that unsightly well pipe. Inside dimensions 10.5" W x 20" H tapers off to 6" in top of base . Diameter on top of the base is approximately 6 inches. Made of fiber glass resin. Gazing Balls not included . Suggested Ball size 10" to 16". Shown with 12" Stainless Steel Ball. Color Gray tone and weight 6 lbs.