This pendant decorative lamp shade is made by Andy of Boleslawiec, Poland. Another unique shape from Andy. You need to purchase the drop down pendant socket with electrical cord of your choosing. The opening on top of the lamp measures  1 5/8″.  The lamp overall measurements are 10″ diameter and 5.25″ tall.  Ideal locations are over island counter tops and bar area. Wiring and bulb not included. Surround yourself with beautiful Polish Stoneware. Polish Pottery Just Makes You Happy!