Circle: Measures 20 dia (approx). Mirror Dia: 13 (Approx) Made From Crafted Aluminum & Glass Superb Detail & Craftsmanship Working Porthole Opens & Closes Hidden holes for mounting. Colors May Slightly Vary Or May Not, From What You See On Your Monitor With The Actual Piece. This May Be Because Of Monitor Resolution Or Picture Tube Variances. The Image Shown Is Shot From The Master Piece And We Always Ensure We Send You The Exact Shown Colored Product With The Same Workmanship And Prints. Products With Dyeing Work May Have Slight Color Variations Because Of Manual Dyeing Process.