describe
characteristic:
Smart way to protect your car – just put the car key chain in your bag and you will be protected. Don't worry about the thief amplifying your remote control signal and opening it again, effectively preventing your remote keyless entry from being remotely accessed.
Not only for cars - this large size bag uses durable signal shielding fabric to test more than 99% of car key signals. Suitable for all mobile phones.
Mobile universal - if you don't want to answer the phone, you can put the phone in the silver pocket of your bag, turn it off, and then disconnect the phone; This package can also block your phone's GPS signal to prevent tracking and protect your privacy

Specifications:
Material: PU+RFID material
Color: black
Size: about 19.5 * 10.5cm
Quantity: 1
Package content:
1 * Signal shielding bag