Approx 3/4"x5/8". Specify the number to be added to Jersey. When number is added it is custom made and non-returnable. Takes 2 weeks to ship. This charm can be turned into a tie tack, lapel pin, cuff links or earrings. Just order the charm (2 for cuff links and earrings) and then go to the Accessories section and pick the attachment you prefer.