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 PU 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 inches (L x W) Hole spacing: 8.4 cm / 3.3 inches Weight: 50 g Package Includes: 1 x Accordion Bellows Strap 4 x Buckle Our products are made with high-quality materials and designed to provide a reliable user experience. We strive to ship all orders within three business days of purchase. Estimated delivery time may vary depending on location. Please carefully review the product dimensions and specifications in the title and description to ensure compatibility with your needs. We want you to be satisfied with your purchase. If you have any questions or concerns, please . Thank you for choosing our product.