Lampshade installation type: Spider mode, easy to use, but before buying, please make sure your fixture is Spider and has Harp, otherwise you need to buy Harp to use this shade.7 inch top diameter,13 inch bottom diameter,7.8 inch tall; 0.4 inch spider diameter Color: Metal in black makes your room and bedroom full of mystery, black looks higher.The interior is golden, making the light softer. Modern Style: The pattern with the shape of a tree adds a different scenery to your room. Material: The lampshade is made of metal, which makes your lampshade longer and more durable. THE WARRANTY: All ALUCSET lighting shades have 1-year warranty. If for any reason you are not satisfied with your purchase, please contact us. Our industry-leading commitment to you will make things right!