The natural salt lamp is composed of Himalayan salt showing its natural forms. It sits on a wood base which holds the removable light bulb. Enjoy the wonderful glow and relax in the warmth of these beautiful salt rock lamps. Each Himalayan salt lamp has its own natural unique shape and tone. When lit, this healing lamp emits negative ions which will reduce stress and create an inviting restful space. Weighs between 4 and 6 pounds. Includes cord and light bulb.