Bi-fold pen case, minimal compact size

A pen case made from 100% cotton**No. 10 paraffin waterproof coated canvas**. __is highly durable and feels hard at first, but it will soften and become more comfortable with use,__you can enjoy the aging process of the material. The zipper is**YKK 3 coil**, and the rubber cord that is the design point is also made of reliable industrial products, so it will not deteriorate easily and is of a quality that can be used for__long time__ When folded in half, the product has__compact__of 18cm in height and 7cm in width. The zipper pocket on the left side is free space, making it ideal for storing accessories such as erasers or mechanical pencil lead cases. On the right side, you can store a ruler up to 16 cm in total length and about four frequently used pens. **Note: Pens and other stationery used as storage reference items are not included.** https://live.staticflickr.com/65535/54055082202_81f3e9b4fd_b.jpg [About paraffin waterproofing of No. 10 canvas] The product will have creases (white lines) caused during the sewing process. This is an inevitable characteristic of paraffin processing and does not indicate a defect in the fabric.