u/FloppyTomatoes

I started a new job and need to carry a card with me to access the building, usually I don't have my wallet with me. I am struggling to find a simple super slim 1 card only magsafe wallet that allows the signal pass through. It will attach directly to the phone as I don't use a case. Has anyone any recommendations or even what I should google for? I only find bulky wallets, or wallets with stands and the nice wallets that I have found block RFID signals.