Each little shade is made by hand, one at a time. They’re sold as individuals, but you get even more light when hung in a pair (or buy 10, live ya life). Bulb included.
 
Dimensions: Shade: 2 ¾" Diameter x 7 ¾" Height
Materials: Ceramic, Steel
Bulb: E12 / 110 V / 3.0 W / 180 lm / 2700 K
Availability: Made to order. Ships within 6 weeks.