Add a touch of whimsical fun to your formal attire when you treat yourself to these great Hourglass cufflinks! Passing the time in the board room or at the end of the day has never been this much fun before! Each miniature hour glass actually works and times approximately five seconds with its clever design and blue sand interior. These cufflinks add a great touch of fun to your formal attire, but can be worn to really formal events as well. Each cufflink has been specially finished off by hand to ensure that you get top quality cufflinks that really last.