If you carry SD cards in your wallet, you might want to trade up for this bi-fold, which comes with dedicated SD card compartments.
The card holder original is made from 100% Genuine Italian vegetable-tanned leather. You can hold up to 4 SD cards if you’re that geeky and SD security crazy. The billfold also has 3 slots that can store 3 credit cards or more if you’re anything like me and jammed several cards behind each other one slot. I know, not so well organized but I love to store up cards after they expire. I just got a thing for it.