This is a credit card-sized, 1.8mm thick, slim coin case. We've pursued the structure and materials to make it thin enough to store coins, achieving the same thickness as the coins themselves. It can hold: 1 x 100 yen coin, 1 x 50 yen coin, and 4 x 10 yen coins, for a total of 190 yen. Since it's about the thickness of two credit cards, it won't weigh down your wallet. You can also use it as a small wallet by putting it in a pass case. To use, insert the coins into the holes and push them out from the hole on the back. Multiple purchases or combined purchases with other products are also possible. If you leave a comment, we will create a dedicated page for you. ■ Size 53.98 x 85.6 x 1.8 mm * There may be slight size variations due to 3D printing. * It may be a little difficult to insert coins into the holes at first, but they will become easier to insert with repeated use. ■ Color ・White ■ Material ・PETG ■ Notes Layer lines are visible due to 3D printing. Please check the product images and purchase only if you are satisfied. Because it is thin, excessive force may cause deformation or damage.