This case is designed to carefully carry your stationery. Inspired by a string-bound envelope, its shape embodies the desire for you to carry your everyday tools with care. It features a crisp, square shape with sharp, straight lines. The exterior is made of bonded leather fiber in a beautifully uniform red color, while the interior uses a soft, brushed material. Each side is neat and beautiful, and it is crafted to maintain its shape while remaining flexible. It allows you to neatly and efficiently store stationery, which often has straight lines, making it a smart way to carry your stationery. The flat shape of the FLAT is modeled after a 12-pencil tin, a size that evokes a sense of nostalgia. In addition to neatly arranging 12 colored pencils, it is also convenient for storing flat, narrow items such as triangular rulers, protractors, drafting supplies like templates, and slim notebooks. *Red is an Ito-ya exclusive color. [Size] External dimensions: W106 x H190 x D13 mm Internal dimensions: W96 x H180 x D8.5 mm [Materials/Ingredients] Bonded leather fiber, microfiber, leather - Bonded leather fiber is a recycled material that makes effective use of scraps generated during the manufacture of leather products.