XUEMEI Signal BlockingFaraday pouch is sewn with shielding material, just put your car key into the Faraday pouch and your car is protected. Stops thieves from amplifying your car key signal and opening your car, stops your keyless entry car key from being accessed remotely and protects your property. Double PackYou will receive 2 pieces of signal blocking bags (black and red) which can effectively block the signal in the bag, there are enough for you to share these useful tools with your friends and family. Stronger Signal BlockingHigh quality PU material + zinc alloy hook + fully wrapped insulating material perfectly ensures that the RFID car key case blocks all signals. You just need to put your car keys in this Faraday bag to prevent your car security system from being hacked. Protecting your car at all times gives you complete peace of mind. Quality and StyleThe Faraday bag measures 13cm x 8cm and is made from high quality nylon oxford fabric and cowhide leather, which not only looks stylish but also feels soft and comfortable to the touch. Carefully selected signal shielding material ensures the protection of your car keys. Colours: Red Black Product includes:2x key pouch