Product Description Specifications Providing maximum protection from the accidental reading or theft of personal information found on your “contactless” credit, debit, ID or travel (RFID) cards. The RFID card shield contains a laminated metal fabric that fits easily and securely into your wallet or purse to protect your data by simply covering your cards. Product Size: 85 x 54 x 0.9 mm Branding Area: 85 x 54 mm (card) - front is reserved for your design, back has pre-printed user instructions. 105 x 148.5 mm (A6 backing card) Standard Packaging: Poly bag Certification: ISO 8001, 14001 and 27001, Patent GB2453859 Specifications: CR80 ISO standard laminated card, 98% shielding effectiveness, nickel, copper plated fabric, 0.03 Ohms / sq max, 70 - 80 dB at 13.56 MHz and weight 70 GSM nominal.