2 RFID Blocking Cards | Best Credit Card Protectors | Fit In Any Wallet or Card Holder | Prevent Thieves From Scanning Credit Cards | Will Not Rust Crack or Tear | Protect Your Identity Today (2-Pack) SECURITY. THEFT PROTECTION. RFID BLOCKING. The cards are equipped with RFID blocking technology that will protect your credit cards from being scanned without your permission. THIN DESIGN - Convieniently Fits into Any Card Holder, Purse, Sleeve, or Wallet - Thin, Strong, Durable, Waterproof, and Weatherproof UNIQUE APPROACH TO RFID PROTECTION - Lets You Keep Your Existing Wallet - Don't Buy Something New to Carry Around - No Aluminum Wallets or Sleeves Needed PREMIUM MATERIAL AND QUALTIY - Made from premium materials that will not rust, tear, or break. SATISFACTION GUARANTEED OR YOUR MONEY BACK - If you are not satisfifed at any time with our product we will give you your money back or send a replacement. No questions asked.