1. Anti-GPS tracking positioning 2. Small shape, easy to grasp with one hand 3. RFID card anti-theft information funds 4. It can be used as a card case to store ID cards, bank cards, driver's licenses, etc. 5. Precise sewing, neat and orderly, firm and not easy to break 6. Tightly wrapped nylon paste, airtight structure 7. Effectively block mobile phone signals 8. Inside: nano shielding fiber 9. Structure: suitable for mobile phones within 5.5 inches 10. Dimensions: 16.5x11 cm
