Fits standard E27 fittings. Adapter ring not included (commonly used for smaller fittings and widely available for under £2).
The package includes 2 pieces of green lamp shades.
Dimensions -  approximately 30 cm/11.81 inches in diameter and 20 cm/7.87 inches in height, with an inner ring diameter of approximately 4.2 cm/1.65 inches, perfectly fitting E26, E27, and other lamp holders; please confirm dimensions before ordering;
The lampshade needs to be assembled by yourself, but the assembly is simple. 
Can be used for floor lamps, table lamps, or pendant lights