Blocks All Mobile Phone Signals and All Frequencies World Wide.
Can be used in different places, such as school, university，examination room, gas station, church, court, library, meeting room, government, theater, military area and so on.
Works as soon as the phone is in the bag, stops blocking the signal once you remove the phone.
If you do not want to answer the call, you can put the phone in the bag, Caller Will See Phone as Unavailable or Network Busy
* High quality and perfect design
* Anti-radiation, anti-degaussing, anti-signal
* Prevent people from being tracked with this bag, protect your privacy
* Weight: 40g
* Size: 15cm x 11cm
Package includes: 1 X Handset Function Bag
No harm to human body or other electronic devices