PREMIUM QUALITY HANDMADE FULL-GRAIN LEATHER: This type of leather is known throughout the centuries for its beauty, strength, and durability, so you can be confident that your wallet will last for many years to come. It is the only 100% full-grain natural cowhide that has been specifically treated to be the toughest, strongest, most resilient leather available. RFID BLOCKING TECHNOLOGY: This technology helps to protect your personal information from being stolen by electronic pickpockets. It works by blocking radio waves from being transmitted to the RFID chips in your credit cards and other cards.