Includes a quart mason jar with no bottom. Use these for higher wattage bulbs such as 40 or 60 watts. Shown with our 40 watt vintage bulb, not included. With the open bottom and ventilation on the top, these provide plenty of light while keeping everything cool.Add our option of pulleys for a really nice industrial look. These lamps plug into any wall outlet; no wiring required. 4" diameter and 10" tall.