Quality Material: The home decor disc is made of Obsidian, carefully polished, has a mirror effect, can even be used as a mirror. Plate with Stand: Black Obsidian Stone Disc is well polished with stand for home table, desktop, shelf decoration. Feng Shui Mirror for Desk: This obsidian disc with well reflective surface is great for scrying and augury. DIY Decoration: The Obsidian Scrying Mirror can be DIYed as a unique decoration by yourself, perfect for decorating your home or office. Gift Choice: The obsidian disc with stand can be given as a gift for mystery lovers, or as a Halloween, birthday or other holiday gift for friends who love augury. Specification: Material:Obsidian Size Chart: Diameter15cm/5.91inch Diameter 18cm/7.09inch Diameter20cm/7.87inch Package Includes: 1pcs Obsidian Stone Disc with Stand Note: Please allow slightly errors due to manual measurement and different monitors.