The card holder holds 5 cards vertically on one side, and 5 cards on the back. It can also store several cards horizontally. I've used it once, and then stored it at home, so it's almost unused, but please refrain from purchasing if you are looking for perfection. *Please refrain from purchasing if you are concerned about minor details or are looking for perfection. *Instant purchase is welcome. The person who purchases immediately takes priority, even if there are comments in progress. *No pets, no smokers. *Discounts on single items are not available, but a combined discount of ¥-50 is offered. We cannot accommodate combined discounts after purchase. ✅No holds, no dedicated listings, no splitting up items, no price reductions. *Basically, we use recycled materials and simple packaging without reinforcement such as cushioning material or cardboard. *Basically, we ship via the cheapest method: Yu-Packet Post Mini.