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
* Carrying mobile phone long-time will endanger human due to wave radiation
* Phone bag have a great effect in anti-radiation to make sure health
* Skill dimension: attenuation intensity 90dB
* Function efficiency: 99.9%
* Suitable for Less than 6.3 inch mobile phone
* Product Size: 18 x 9 x 1cm
No harm to human body or other electronic devices