RFID blocking technology helps keep personal information, personal. Eagle Creek's RFID blocking wallet straps securely around your neck with a soft, adjustable strap. It's the same lightweight Neck Wallet customers love, with smart organization and durable, water-resistant fabric, but now with the enhanced traveler protection of a faraday bag with easy hook-and-loop closure for retrieving cards and documents on the go. RFID Blocker Neck Wallet weighs just 1 oz. and measures 5 x 7 in.