The reactive glaze replicates where the sea meets the surf, creating wonderful pattern and movement on this porcelain lamp. Shade: 19" X 20" X 12.5", Off White outside and White inside, Man-Made Silk, Round. 3 Way, 150 Watt Max, Type A Bulb, 7.5" Nickel Harp Disclaimer: Due to glazing process, variations in pattern and color will occur. No two will be identical.