Features: 1. Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified, including Part Number, Model Number, and inspection date information. 2. If you have any questions about the item, please provide us with the Manufacturing Part Number for verification. 3. Made of high-quality leather for durability. 4. Accordion bellows straps can be converted to traditional bellows straps. Tips: Please measure the distance from the center of the rivet to the center of the button and select the corresponding length. Specifications: Material: PU Leather, Metal Color: Black Size: 14.5 x 2.4 cm / 5.7 x 0.94 inch (L x W) Hole spacing: 8.4 cm / 3.3 inch Weight: 50 g Package includes: 1 x Accordion Bellows Strap 4 x Buckle Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship all orders within three days of purchase. When shopping, please pay attention to the size and dimensions of the product to ensure it meets your needs. Detailed product information, including features and specifications, is provided in the title and description. We want you to be completely satisfied with your purchase. If you have any questions or concerns, please do not hesitate to . We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it!