D-Armor Rfid Blocking Wallet Sleeves Credit Card Holder (4/pack) RFID Blocking Credit Card Holders -Protect Your Identity- Secure and Block RFID Card(s) while in Your Existing Credit Card Holder, Wallets, Case or Protector. No need to buy something new or something else to carry around. Designed to Block RFID Readers from Scanning Your Credit cards, Debit cards, Banking Information, Smartcards, RFID driver's licenses and other RFID Cards. Better than other paper RFID sleeves. Multiple Use - Can be used in different ways - 1) Place 1-3 of Your Cards inside Credit Card Holder or, 2) Unfold and use as Wallet Liners and Secure your Entire Wallet. (See Photos) Better than other Credit Card sleeves  1) More Convenient Size - Fits in any Wallet! Holders are barely larger than credit cards (smaller than typical rfid blocking sleeves) so it can actually fit into your credit card wallet slots. 2) Easier to Access and Store cards than single opening rfid sleeves, because holders open like a folder. 3) Sturdier than thin paper sleeves, holders are similar to business card stock. (See Images) GREAT GIFT Idea or Stocking Stuffer - If you have Loved Ones, Joint Accounts or Business Partners - You may want to order Extra Sets, so they will be protected also.