NEED ASSEMBLE:Be Noted, Self Assembly Required,It will take about 10 minutes. If you can not accept self assembly,do not buy it. | MATERIAL: The ring is made of plastic but strong enough to support the lampshade.the cotton fabric materials which will provide good light for reading and relaxing. | SIZE:16 inches top diameter,16 inches bottom diameter,12 inches tall; 0.4 inch spider diameter . | SPIDER FITTER：This lampshade can only be used on table lamps or floor lamps with harp support,Make sure your fixture is spider and has harp, otherwise you need to buy harp to use this shade.More details please watch the video. | Make sure your desired size:recommend measuring to your existing lampshade--a replacement harp may be needed for a proper fit or additional adjustment if changing height of shade.

NEED ASSEMBLE:Be Noted, Self Assembly Required,It will take about 10 minutes. If you can not accept self assembly,do not buy it. | MATERIAL: The ring is made of plastic but strong enough to support the lampshade.the cotton fabric materials which will provide good light for reading and relaxing. | SIZE:16 inches top diameter,16 inches bottom diameter,12 inches tall; 0.4 inch spider diameter . | SPIDER FITTER:This lampshade can only be used on table lamps or floor lamps with harp support,Make sure your fixture is spider and has harp.More details please watch the video. | Make sure your desired size:recommend measuring to your existing lampshade--a replacement harp may be needed for a proper fit or additional adjustment if changing height of shade.