Each cask at the heart of The Macallan Harmony V was assessed for quality by the Whisky Mastery Team and underwent an average of 636 sensory checks before bottling to ensure unparalleled quality. By law, caramel coloring may be added to Scotch whisky, but The Macallan Harmony V has a completely natural color that reflects the influence of American and European oak casks. As a tribute to the world of tea, tea leaves unsuitable for consumption have been repurposed in the paper used for these elements.