Product size: diameter: 25 cm height: 75 cm (+- adjustable) the product length can be adjusted very easily. it is made of metal plastered casing. it is coated with electrostatic powder paint. it creates a modern appearance in your homes and offices. you can contact us for bulk purchases, we can produce in the quantity you want. .external color: blackinner color: blackmaterial: metal bulb is not included in our product. maintenance / cleaning recommendation: it can be wiped with a damp micro fiber cloth. bulb is not included in the price! Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.