Tri Hardback For Glass Bowl 13x20x12
These lampshades are made to fit on a 8 or 10 inch glass bowl of antique tri lights. It will also fit a lamp with a harp. They will not work on any other lamp.
They work best on floor lamps. The top of the shades measure 13 inches across the top, bottom is 20 inches and the side is 12 inches.