1. The built-in key ring can be used as a keychain function
2. Suitable for IC electronic cards within 30x37mm
3. Small bag internal structure: card position, key position
4. Opening method: open
5. Processing method: soft surface
6. Material: genuine leather
7. Note: The product only contains card holders, not keys and other items
8. Size: 45x55mm
9. Weight: about 18g
