Blocking Range: This faraday bag provides a complete signal blocking in the range of 10 kHz - 3 GHz, which are used in most wireless device like cell phone, keyless remotes and etc Cell Phone Signal Blocker: Blocks cell phone signal, calls, GPS to prevent tracking, Hacking, spying and protect your privacy. Car Key Fob Protector: Blocking car key fob signal, prevent car being stolen and security system from being detected or hacked. Signal Blocking Layer: Inner silver layer blocks signals, outer upgraded oxford cloth can be used as a normal case. Portable Design: Inner size of 7x3.8inch (18 x 9.6cm), fit most smart phones with display of 6.7" inch blow, Compatible with iPhone 12 mini, iPhone 12, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone XR, iPhone XS, iPhone XS, iPhone X, iPhone 8, iPhone 8 Plus, iPhone 7, iPhone 7 Plus, iPhone 6s, iPhone 6s plus, iPhone 6, iPhone 6 plus, iPhone SE, iPhone SE2; Fit Samsung Galaxy S20, S10, S9, S8, S7, Galaxy Note 20, Note 10, Note 9, Note 8, LG and More