The material used is Scotchgard leather, which has excellent water-repellent, oil-repellent, and stain-resistant properties. The exterior has a pocket, and the interior has a divider to keep coins separate and cards protected from scratches. With a size of 7 cm (height) x 10 cm (width), it is easy to use as a coin purse or card case. Its compact appearance, functionality, and ease of use are important points when choosing a wallet. The chain set inside can be used as a key holder. The included carabiner is also removable, allowing for customization such as attaching a chain as shown in the photo. It can be attached to a belt loop around the waist, attached to a bag, placed in a pocket, or used with a smartphone shoulder strap. A versatile item that can be used in countless ways depending on your needs. A simple zippered fragment case that can be used freely depending on your ideas.