Home WA Government Publications Specifications of the State Flag of Western Australia Specifications of the State Flag of Western Australia Guidance Specifications for a flag at 1800mm in length and 900mm in width. Last updated: 19 September 2019 Documents Specifications of the State Flag of Western Australia (PDF, 398.52KB) Sidebar Published 11 June 2019 Provided by Department of the Premier and Cabinet Share Facebook share(Opens in a new tab/window) Twitter(Opens in a new tab/window) LinkedIn(Opens in a new tab/window) Copy URL