1,Anti-Theft:it can block WiFi (2.4 and 5 GHz), Bluetooth, GPS, RFID, car key signal, etc.,Effectively stopping your keyless entry fobs from being remotely accessed.2,Dimension:3.15 x 4.5 inches/ 8 x 11.5cm. 3,Material: Faraday bag is made of premium carbon fiber material and double military-grade RF shielding cloth. 4,Easy Carry:The faraday bag with upgraded zinc alloy hook and key chain.
