Thank you for viewing. These are cufflinks from The Treat Dressing. They are made of metal and come with a case. I used them for about 3 hours at my wedding. They are authentic, and I am the original owner. - Color: Black - Material: Metal - Style: Cufflinks - Accessories: Case Color: Black系 (Black-based) Stains, tears, odors, etc.: None Retail price: 8500 yen If you would like to purchase other goods together, please let me know. I will sell them at a discount.