PROTECT YOUR PRIVACY: Design your business card holder with RFID blocking, and credit card wallet can perfectly block unwanted RFID readers from getting sensitive private information.LIGHTWEIGHT AND PRACTICAL: RFID wallets are unisex and have a slim profile, making them more convenient to put in your pocket or bag than traditional wallets.Rust-Resistant Material: The business card holder wallet is made of high-quality stainless steel from top manufacturers, which is stronger and more durable than plastic or aluminum products.Capacity: Mini size (3.74 x 2.59 x 0.5), this card wallet can hold up to 6 cards, suitable for all kinds of cards such as credit cards, ID cards and subway cards.PERFECT GIFT: Packed in individual boxes, this metal wallet is the perfect gift for both men and women. Not only can be used by yourself, but also a wonderful birthday gift for parents, boys, girls or friends.