RFID stands for Radio-Frequency Identification. If you have a chip inset in your card, you are at risk of skimmers getting your info when you're shopping or traveling without you ever knowing it. The best way to avoid this is with a shielded wallet or card case. This card wallet is a one-of-a-kind and was made with metallic rose gold leather, machine stitched with pink thread, and inside contains one card pocket, plus RFID shielding. Wallet holds 6-8 cards depending on thickness.