The product is a set of 4 Crocs Jibbitz shoe charms featuring characters from the Harry Potter series, specifically He Who Must Not Be Named and the Dark Mark. The charms are made of plastic and come in black, green, and white colors. They are waterproof and themed around the movie and fantasy world of Harry Potter. Perfect for fans of the series, these shoe charms add a touch of whimsy to any pair of Crocs shoes.