Easy to CarryThe faraday bags use a roll design and Velcro closure to make them stronger and is difficult to drop,it is very convenient to bring Faraday cage to work, attend a meeting shopping and business trips.Waterproof & FireproofThis anti-theft pouch not only has excellent waterproof and fireproof function, can resist up to 2000 high temperature, whether it is direct sunlight or rain baptism, will make your equipment safe, which will be the ultimate protection of precious equipment.Strong Signal BlockerFaraday bags can block WiFi, phone signal, GPS, bluetooth, RFID and radio signal to prevent tracking, protect your privacy. Our faraday cage is made of high quality non-itch silicon coated glass fiber and shielding material. Will keep your valuable safe.PackageYou will get 5 Faraday bags, including extra large, large, medium, small and extra small.Applicable ItemsThe rfid key fob protector extra large size is 20.5*15.15in, suitable for large laptops, tablets, cell phones, document. Large size is 13*10.3in, suitable for tablets, phones, cards, GPS devices devices. Medium size is 4.9*9.9in, suitable for mobile phones,cards,cash. Small size is 7.4*3.6in, suitable for key fob and Bluetooth headset. Extra small size is 5.9*1.8in, suitable for key fob.