100% BLOCKING ALL TYPES OF SIGNAL- can easily pass any test by yourself. Anytime the car key in the bag/box and car locked, no one can opend the door or start your car. 100% shielding of WiFi (2.4 & 5GHz), Bluetooth, cell phone signals, 5G networks, GPS, RFID, and signals for all devices.TWO BONUSES FARADAY BAGS - Not only is it guaranteed to be sized to fit almost any model of key, the Faraday Bag is similar in size to a bank card and doesn't take up too much space in your pocket. Our FARADAY Box is bigger. You can put all your keys in this Faraday box to provide security for your family!YOUR CAR & FAMILY ARE PROTECTED - Simply place the key fob into the FARADAY BAG & FARADAY BOX. will block your key being detected from various signal transmitter, which protecting vehicle theft and sleep quality of your family especially for pregnant women and babies.QUALITY ASSURANCE & LIFETIME WARRANTY - We are so confident you will love our faraday box that we offer a MONEY BACK guarantee if you are unhappy for any reason. If the defective products are delivered due to transportation, please contact us immediately and we will solve your problem as soon as possible.SAFETY AND BEAUTY GO HAND IN HAND - This rfid box not only has continuously improved and upgraded signal blocking function, but also has trendy style. Wooden + leather faraday box has stronger shielding function, 100% to block all signals. It looks way more elegant and luxury, high-end grade.