Lampshade Dimensions: Top Diameter: 10", Bottom Diameter: 10", Height: 13", Screw Thread Diameter: 1.65". This large size fits most table lamps, floor lamps, and wall lamps with lamp harps. Please ensure the shade and lamp holder sizes are compatible with your light fixtures before purchasing. Easy Installation and Removal: For the convenience of product transportation and storage, the drum lamp shade features a detachable design. Simply secure the lampshade around the metal rings by attaching it to the clips, and you can set it up easily and quickly within 1 minute without any tools required. Excellent Material: The drum-shaped lampshade is made of linen, meticulously handcrafted.