Card Holder & CapacityOur men wallets designed to automatic pop-up button, the most efficient way to pop up all cards easily. Can keep 5~6 standard-sized credit/bank/ID cards, there also have 2 cards holder design to put your other credit cards, also have 1 cash clip. Additionally, men wallet with Acsergery holder for Air Tags. .AirTag Protect DesignOur men wallet also has a unique design, AirTag holder setting(NOT including air tag). It can be protect your airtags from being lost, and will not block airtags signal to help you trace your wallet. .BlockingEach of our credit card holder men wallets have Blocking function, are used advance aluminium technology, combine of the functionality and security to protects your cards. We do the tested and and the wallet is proven to block all credit cards, debit cards, driver licence and ID cards that operate at a frequency of 13.56 MHz from being read. .Material & Size & PortableOur Wallets men metal used the highest quality PU and Aluminum materials, protect your cards from unwanted wireless communication. The size of lightweight, slimline wallets is: L:3.9inch, W:2.6inch,H:0.6inch, convenient and portable to put in any pocket and carry around. Meet your daily use. .