Aluminium tray effectively protects your cards from reading external scanners. The content of our wallets has recently changed and we are using more and more cards with computer chips and built-in antennas. It increases user-friendliness, but it also carries risks. With this card holder, you don't have to worry about it. Card protector is the heart of our card holder. By pushing a small lever aside, your cards are brought out of the card cover in an overlapping sequence. You can do this without even opening the rest of your wallet and you will quickly find the card you want to use. You only pick up one card when you are going to pay and as long as the others are still in the aluminum shell, unauthorized equipment cannot read the cards. The risk is further minimized Material Aluminium Smart aluminium card holder for up to 5 cards with only 9mm depth. RFID secure against any type of scanning against the new era's chipped cards (blipp cards, access cards, credit cards, etc Man easily and quickly pushes all cards in good order only by to tighten the button. Aluminium made wallet for card Contactless cards protected RFID protection. Prevents hackers from stealing private information with tap Complete pull on the lever and cards slide out Bbs won't fall out when they're upside down Hold up to 5 credit cards Practical thin wallet - Light weight. Bmailbook won't bend or break if held in the back pocket The color may differ slightly depending on screen re size: 10*6.2*0.8cm Weight: 46g (empty card holder) The package includes: 1x slim card holder wallet