RFID Blocking Privacy Bag Faraday Cage EMP Blackout Bags 7.5" X 4.5" Passports Credit Cards Smartphones Hard Drives iPhone Android Blackout RFID Blocking Bag Blocks Cell Phone, RFID, GPS, WiFI, Key FOB signals Black Imitation Leather Sized for Cellphone, External Hard Drive, Credit Cards, Key FOB, Passports Interior Faraday Cage Pocket for Signal Blocking (approximately *71-84db) Exterior Pocket for Non Shielded Storage