The card is stored on both sides, with a transparent open window pocket on one side and a leather pocket on the other. Vegetable tanned leather is hand-dyed. ▲This item can be bought alone lanyard~ Can go to the store to buy ~ [document set / sling / mobile phone camera lanyard / primary color] A situation map with men and women wearing it can be referred to. https://www.pinkoi.com/product/S6ZPWcvm?category=2 ◆ Product size: 10 x 7.3cm ◆ Product material: leather ◆ Origin / production methods: Tainan, Taiwan / handmade [instruction manual] - Product production time is approximately 10-20 working days (excluding holidays) - The photo is taken as a physical picture. There is a color difference between the color of the screen and the light of the shooting. - The color of the dyeing is not the same for hand-made. It will also be affected by the natural color difference of the leather itself. Please accept the difference and place an order. - The products are handmade, each piece will be slightly different, and it will be unique. - Natural leather will have growth marks, scars, chromatic aberrations, spots, etc., all of which are natural phenomena, not sputum. [Use and maintenance] - Vegetable tanned leather will be darker and darker depending on the way each person uses it and the sun. - If the leather is accidentally wet, please dry it and let it dry naturally in a cool place. Do not use a blower to break the leather. - If you accidentally scratch it, use maintenance oil and gently wipe it on the surface.