2PCS Large Anti RFID Phone and Car Key Cases Faraday Cage Bag Blocking RFID Signal NFC WiFi GSM Bluetooth - Carbon Fiber <p>Privacy Protection - This RFID blocking bag is designed to protect your digital devices and prevent them from being read without authorization: cell phones, car keys, credit cards, access cards, smartwatches, transmitters, GPS units, etc.</p> <p>100% Signal Blinder - This RFID blocking case blocks all incoming and outgoing radio signals, including WiFi (2.4 and 5 GHz), Bluetooth, cellular signals, including 5G networks, GPS, RFID, NFC, etc.</p> <p>Guaranteed Reliability - High-level shielding with double-layer silver fabric on each side, guaranteed quality of shielding verification for each bag</p> <p>Multifunctional - Store your devices in this RFID blocking bag to protect yourself from hackers and unauthorized access, as well as electromagnetic pulses that can damage electronic equipment</p> <p>Ease of Use - Unique flap design like envelope with hook and loop closure, more convenient and easy. The compact size and key ring for attaching keys or accessories keep it easily accessible, allowing you to take it anywhere or easily store it in a briefcase or handbag</p>