Description: Multi-Function: anti-radiation, anti-demagnetization and anti-signal. Anti-radiation, use this bag to prevent damage caused by wave radiation generated by mobile phones. Anti-demagnetization, when you hold an ID card, including a bank card such as an IC magnetic card, you can prevent magnetic loss and leakage information Anti-signal, with this feature, to prevent people from being tracked, if you do not want to answer the phone, you can put the phone into the bag, Prevent people from tracking your privacy Also can be a wallet at the same time Specification: Size: 17.00 x 11.50 x 0.80 cm / 6.69 x 4.53 x 0.31inch Package Includes: 1 Piece Signal Blocker Pouch Note: Please allow 1-3cm measuring deviation due to manual measurement. Due to the different monitor and light effect,the actual color of the item might be slightly different from the color showed on the pictures.Thank you!