Rook Pendant mix of contemporary shape and organic materials. Made of Grey washed wood carved in imperfect, undulating circles. Each of the concentric circles appears to float, but they are secure with filament wire. Small: One 60 watt, 120 volt A19 type Medium base incandescent bulb is required, but not included. 24 inch width x 15 inch height x 51 inch maximum length. Large: Six 60 watt, 120 volt B10 type base incandescent bulb is required, but not included. 35 inch diameter x 24 inch height x 60 inch maximum length.