Secure your car: just place the key fob in the Faraday box and you are protected. Criminals use tools to copy or imitate your remote key"s unique signal code to gain access to your vehicle or keyless entry system. Signal blocking function: extra wood material + solid double locks + fully wrapped insulation ensures that the box blocks 100% of all signals. Just place your car keys in this box and close the lock to prevent your car security system from being hacked. Large Capacity Signal Blocking Box: This car key safe can hold at least 6-9 car keys. It"s a big Faraday box that you don"t need to take into account the model and size of your car keys. It has enough space for all your spare keys and the keys of family members. External dimensions of the key box: 19.5 x 13 x 10.5 cm. Simple and Convenient Use: Just place your keyless start keys or keychain inside the box, and you can rest happy at home or anywhere knowing that our Faraday box protects your vehicle keys from outside attacks. It prevents damage, scratches, keeps all the little things like your room keys and credit cards. Best Customer Service: If you are not satisfied with the signal blocking box, please contact us. Before using this signal blocking box, you can put the key in the box to test. Product FARADAY BOX Protects your car from car theft without a key No theft no phone calls no notifications no distractions Inner layer - luxury Russian solid wood and military grade fabrics Outer layer - made of high quality PU leather, easy to wear and non-slip The lining - in high quality double insulated fabric Specification: Size: 19.5 * 13 * 10.5CM Material: PU leather Weight: 560g Package includes: 1 * box