Big shade 11.5" diameter X 4" H. Small shade is 9.5" h x 5" diameter. For your interest and have a nice day. The item "Vintage Mid century Majestic Atomic Space Age Retro Art Deco Z Boomerang Lamp" is in sale since Wednesday, January 20, 2021.This item is in the category "Antiques\Periods & Styles\Mid-Century Modernism". The seller is "61s" and is located in Ontario. This item can be shipped worldwide.