PROTECT YOUR PRIVACY: The faraday bag protects chip technology "smart-cards" from hackers' RFID readers in the range of 10 kHz-30 GHz. Size:19x10 cm. Note:manual measurement with 1-2 cm error.Made of premium leather and FRID blocking & anti-radiation fabric.With 2 functional compartments with velcro closure. When you do not want to answer the phone,you do not need to turn off the phone any more,you just need to put the phone into the silvery lining back pocket of the pouch(please make sure you put your phone in this functional pocket and close the bag well),the signal will be blocked in a few seconds and the phone will be disconnected. Block Car-key FOB Signal-Keep your car's security system from getting hacked. SIGNAL BLOCKING BAG: Inner layer blocks signals, outer PU black layer can be used as a normal case make sure block signal. WHAT YOU GET: 2*faraday bag. Please let us know if you have any questions or concerns, we're standing by to assist you all the time. This Faraday Bag is Ideal option for both women and men.Fashionable,practical and multi-functional design,and portable to take.It is also a great idea as a gift / present for the one you love. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.