The cufflinks have a size of 0.67 inches (17mm) and are made of high polished brass and metal electroplating, ensuring durability and healthiness. The surface is finished with a high-polish, making it glossy and super smooth for comfortable wear. They come in a black boxed gift packing, making them an ideal gift for male friends or loved ones for special occasions like Christmas, Valentine’s Day, or birthdays. The cufflinks are designed to improve style and enhance the overall look of an outfit. Please note that we recommend products but do not manufacture or provide any warranties or returns.