1. SIGNAL SHIELDING: The shielding bag can be anti-radiation, anti-demagnetization, anti-spy, block calls, text messages, WiFi, 4G, 5G, Bluetooth, RFID, NFC between electronic devices. 2. SMART CARD PROTECTION: When you use a smart card, hackers can get close to you and thus obtain your card information to unlock your vehicle or bank card, the shielding bag protects your privacy. 3. ANTI-RADIATION: The shielding bag has a good anti-radiation effect, put your ID card, bank card, IC magnetic card, etc. in the bag, you can avoid magnetic loss and information loss and leakage. 4. DOUBLE-LAYER DESIGN: The bag has double layers with different designs, the inner layer is the blocking and shielding layer, and the outer layer is the normal storage layer, you can freely choose the function you need according to your needs. 5. LIGHTWEIGHT AND PORTABLE: You can hold the shielding bag in your hand or put it in your handbag, very easy to store, whether you are at home, in the office, in the car or traveling. 6. DURABLE MATERIAL: Synthetic leather material is used, it feels very smooth to the touch, the inner insulation layer is well sealed, as long as the device meets the size of the bag, it can be blocked.