Made from spider green marble, this lamp base offers a sculptural silhouette formed by graduated spheres. Its polished stone surface and rhythmic form pair beautifully with simple or patterned lampshades, adding weight, contrast, and refined texture. *This item is UL listed, meaning it has been tested and approved to meet the government-regulated safety standards for the USA. Use with electrical outlets 110-120v or lower, as anything higher can cause fire or injury. If you're purchasing this item for use outside of the United States, employ the adapter and voltage converter suited for your country.*