LAVA® Lamps have continued to captivate for over 50 years. It has one of the most recognized, trademarked shapes of all time. LAVA® Lamps produce a soft warm light and mesmerizing visuals of everchanging, moving wax, gently rising up and down. Yellow wax / blue liquid / silver base and cap. Provides relaxing, soft light. Aluminum base. 40 watt light bulb included. Plugs into a power outlet.