Tekit&reg; Army Camouflage Protective Anti-radiation Anti-tracking Anti-spying GPS Rfid Signal Blocking Pouch Case Bag for 3-6 Inches Cell Phone Smart Phone Car Key Signal Blocker Case,Anti-radiation, anti-degaussing, anti-signal; this bag with two pockets, the cellphone signal will be blocked Protect your privacy, prevent people from being tracked,shields all cell signals ,bluetooth ,GPS,Wifi....and more If you don't want to answer the phone, you can put the phone in the bag, then the phone will tell 'Calls cannot be connected' Compatible Models: Universal ( Less than 5.7 inch mobile phone ), Note:this bag have Three pockets, the front pocket is only for Anti-radiation, the back 2 pocket is right function of anti-signal and anti-tracking, the signal will be shielded if your tablet/cellphone put into the back pocket. Besides signal will be blocked only when you put it into the inner pocket and remember to close the bag at the same time.