I have something similar that will hold 2 cards per side. I wanted to see if having 1 card per side would be better. This is so small that I absolutely couldn't take out or insert a card easily. I had to return it.
BRASS TACKS Leathercraft Handmade Blocking Men's Accessories and Wallets, Card Cases & Money Organizers
89 Review
Credit Card Holder with Chain Cover
70 Review
π Minimalist & Durable Flowfold Sailcloth Made from Recycled Materials
58 Review
Crabby Wallet Minimalist Pocket Polyester Men's Accessories in Wallets, Card Cases & Money Organizers
59 Review