SLNT Faraday Dry Bag Backpack Black 20L. With RFID-blocking technology and EMP protection these Dry Bags & Cases effectively silence your device from unwanted wireless signals like 5G Wi-Fi Bluetooth NFC and GPS to protect your identity and safeguard your electronics from malicious hackers. Keep your personal belongings protected from harsh weather and digital threats with the SLNT Faraday Dry Bag Backpack. Specifications for SLNT Faraday Dry Bag Backpack: Manufacturer: SLNT Color: Black Fabric/Material: Nylon Pack Application: Travel Pack Volume: 20 liters Package Contents: SLNT Faraday Dry Bag Backpack Shoulder Strap SLNT SPB-BPB-X: Faraday Dry Bag Backpack Black 20L