VEVOR Faraday Bag Signal Blocking Holder for Laptop & Tablets(16.9 x 15") BlackProduct Features Super Signal Blocking Power Our Faraday bag can block enough various signals such as call data, Bluetooth, WIFI, GPS, RFID and radio signals, etc., which prevents thieves from acquiring and relaying signals from your keys, prevents theft and keyless ignition theft, prevents tracking and protects your privacy, no more worrying about your car being stolen and your meeting information being leaked. Spill & High Temperature Resistant This