Glasses / pen case with a simple structure assembled by folding one piece without sewing. As it is self-supporting in the open state, you can smoothly take out what you put inside. Uses 2mm thick faux leather developed to mimic the structure and texture of natural leather. A lightweight and durable material used for school bags, etc. It has cushioning properties like a felt and protects what is put inside. In addition, there is no problem even if it gets wet if it is water repellent and a little rain.