After the lamp is made, we will put a layer of protective oil on the shape of the lamp to protect the shape of the lamp from shining and firming for a long time in the box. If necessary, wipe off the oil with a dry towel before use.We have done the lighting test before shipment, please rest assured to buy.Maintenance and cleaning methods(1) Cleaning: If there is dust, please wipe them directly with a dry cloth. Do not scrub the lamp cover with water or detergent.(2) Maintenance: As a handicraft product, 's lamps need to be maintained. After two to three months, due to the pollution of moisture and dust in the air, the lamps will lose their luster or the surface tin. The line turns white. In this case, as long as you wipe the surface of the lampshade and the base with a dry cloth and a little oil, your lamp will immediately restore its original brilliance and color.Commodity parameters:Name: 12-inch Stained glass table lampWhole lamp size: :W30cm H48cmMaterial: Base is Alloy, Lampshade is stained glassType of light source: E27Recommended light source: LED light, incandescent light, energy-saving lightProducts with national certification: 3C, UL, CE, PSE, BS, etc.Product packaging: 1 box/1 piece, safe styrofoam packaging, tested by drop box.Please Note:1. The error of measurement within 1-2 cm is normal.2. Note that the status of turning on the light is different from that of turning off the light.Feel free to choose, your approval is the greatest support for our store, even if you encounter any problems, please contact us.