30mm vitrail medium with the foil back butterfly prism. 1-1/4 inches across and 7/8th inches tall. The foil backing creates the vitrail medium effect on the front side radiating in hues of deep greens blues and lighter tones. This is a gorgeous prism and sure to please anyone. Your prism will come gift boxed with a bow as pictured. Beads and hanging filament included.