RFID Credit Card Holder/Case MetalRFID CREDIT CARD HOLDER: With the RFID blocking design, it can be perfect to stop unknown scanning, which can make your shopping safe. You can put the card holder in your front /back pocket easilyHIGH-QUALITY MATERIAL: Made of 403 stainless steel from top manufacture,more fashionable and sturdy than plastic or aluminum item.5 SLOT FOR CREDIT CARD : 5 slots for credit cards, It can take up to hold 6 cards ( but 4-card is the best ).(Not for business cards or drivers' licence).When the wallet is without RFID Blocking system:New RFID tech can scan chips from 15 feet away in a container. That means if someone walks by your bag with a "sniffer" with an RF field which can activate the RFID devices, then that person can get a complete list of what you just bought. That's certainly an invasion of your privacy, but it could be worse. He even can get your password of cards in secretly and steal your money and information away.It's a must HAVE to protect your privacy and secure your data!Material: AlloyColor:Black,Sliver,Gold,BlueSize:95*65*12mmNoteDue to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully. Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanksfor your understanding.Package includes:1pcs Holder Case