Using your Eagle Creek RFID Blocker Hidden Pocket is a breeze. First, slide it onto your belt through the belt loops. Then, tuck it into the waistband of your pants for a hidden and secure carry. You can put your passport in one of the mesh pockets and your currency in the other, all organized in the main pocket. When it comes to maintenance, you can spot - clean it with a mild detergent and a soft cloth. Avoid using harsh chemicals as they may damage the RFID - blocking technology and the materials. Keep it away from sharp objects to prevent tears. With proper care, this hidden pocket will serve you well on many travels.