Bi-fold pen case, minimal and compact size

A pen case made of 100% cotton **No. 10 paraffin waterproof canvas**. It is highly durable and feels hard at first, but it becomes softer and more familiar with use, and you can enjoy the aging 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 you can use it for a long time. __ The product size is a __compact size__ of 18 cm in height x 7 cm in width when folded in half. The zipper pocket on the left side is free space, so it is suitable for storing accessories such as erasers and mechanical pencil lead cases. On the right side, you can store rulers up to 16 cm in total length and about 4 frequently used pens. **Note: Stationery such as pens used as storage reference items are not included. ** https://live.staticflickr.com/65535/54055082202_81f3e9b4fd_b.jpg [About the 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 is not a defect in the fabric.