These are sterling silver heart cuff links with a deep red enamel inlay. A perfect way to wear your heart on your sleeve! By Ravi Ratan. Perfect enamel heart cufflinks in deep Valentine red, set in a sterling silver frame. Engrave the backing for subtle personalization or to commemorate an event. - Approximately 3/4" x 3/4" - Enamel and sterling silver - Straight post, whale backing.