This is an ICOCA card case, perfect for trains, buses, and electronic payments. It comes with a carabiner, so you can attach it to your bag or belt loop. It can also be used as a coin case or small item holder. Compact mini-size case ⭐︎ Each one is carefully sewn. The sides and bottom have been edge-treated.(*´꒳`*)ノ Leather aging is the charm and enjoyment of the leather itself, the way the color and luster change, and how to beautifully nurture the leather to your own color. Color, luster, feel, texture, weight, thickness... Even when using the same item, the appearance of the leather changes greatly depending on the environment and how it is used. Enjoy cultivating a one-of-a-kind original color and texture.(*´꒳`*) Leather: Made in Japan / Tochigi Pit Nume Leather / Natural Size: Width 9.5cm, Height 6.8cm, Depth 2cm〜2.5cm Thickness: 1.5mm Finish: ★★★★ (out of 5) ★ Due to the nature of leather, there may be blood vessels, scratches, wrinkles, scuffs, and stains. ★ There may be variations in thickness depending on the part of the leather. ★ We try to make the product colors and textures as close to the actual product as possible, but there may be errors due to shooting conditions and display. ★ We do not accept claims or returns after purchase, please understand.