12.5 cm (5 inches) diameter at the bottom and 14 cm (5 1/2 inches) tall/height. The diameter of the hole at the top is 3.2 cm (1 1/4 inches) and has the bayonet fitting ready to take a light bulb
The shade is very good condition, NO chips around the top edge as would normally be expected through usage over the years, the main body of the shade is clear and bright with no cracks or chips