Purism Faraday Bags & Sleeves provide military-grade signal blocking, protecting your devices from hacking, tracking, and remote access by shielding against WiFi, Bluetooth, GPS, RFID, 4G, 5G, and EMF signals. Designed for smartphones, laptops, tablets, and key fobs, they offer durable, lightweight, and water-resistant protection—perfect for cybersecurity professionals, journalists, and privacy-conscious users. Stay private, stay secure.