All about your confusions(Q&A) : Q:Why is your RFID Blocking wallets/Card holders inner lining material is silver color? A:This silver color material is specially treated for RFID Blocking purpose which has been tested for 13.56Mhz frequency (Generally operates for our credit cards,debit cards,drive lisence and ID cards). Some of our cards such as ID badge,access cards or hotel room cards which operates in 125 KHz might not be able to be blocked. Q: Why is RFID Blocking Anti-Theft Function so important now days? A: Almost all our credit and debit cards issued now days has a RFID Chip on it which carrys all your personal data and information. To prevent this data from being stolen, this card holder can perfectly block those unwanted RFID scanners. Q:What are the features and benefits of Pabin Slim Card Holders? A:1,Ultra thin and light makes it good for jogging,not as bulky as a normal wallet which can be stored easily into front pocket or back pocket. 2,RFID blocking anti-theft function makes your trip light and safe. This Pabin Card Holder Wallet is hand crafted with genuine leather which is very unique and offers a vintage look. The branded Pabin men's wallet promises excellent quality with a design that exudes class and maturity. SATISFACTION GUARANTEED: For Any Dissatisfaction, simply contact us, Pabin Promises a no-hassle Return Policy & 100% Money Back Guarantee!