Cell phone signal shielding bag

Material: Nylon
Size: 20 * 10cm
Bare metal that can fit into a 6-inch screen
There are two layers inside and outside.
Please put it in the right place when you place it, be sure to seal the bag when using
The effect of putting in different pockets is different, please put in the corresponding pocket when using

Put into the outer pocket to reduce radiation and not affect the normal use of the phone;
Put it in the inner pocket and seal the mouth of the bag. It can prevent electromagnetic radiation to protect human health. It can also shield electromagnetic wave signals and bank cards. Credit card ID cards.