The Tablet Privacy Bag (7.5″ x 10″) offers 85 dB (400 MHz-4 GHz), Anti-tracking, Anti-spying, and EMP protection. This bag blocks the following signals: Cell Signal, GPS, RFID, and Wi-Fi. It works great for protecting Tablets, Cell Phones, Passports, Credit Cards, and External Hard Drives. The Tablet Privacy Bag is made with a durable black PU leather exterior and lined with 2 layers of Copper-Nickel fabric. There is an inner pocket that blocks radiation and an outside pocket for convenient storage.