This is a beautiful small clip-on style lampshade in William Morris 'Willow Bough' cotton.
The fabric is bonded to flame retardant PVC. 
The shade measures 14.5cm bottom diameter, 7.5cm top diameter and 13cm high.The clip style fitting attaches to a candle shaped light bulb for a small table lamp or wall light.
A low energy light bulb is recommended (20 watts or less)