封面雷射燙金，兩側密封，設有拇指凹槽，方便取放紙張，可垂直或水平使用，非常適合存放重要文件。
提供OEM設計，並採用塑膠成型工藝，製作出產品表面所需的立體造型。
內頁可存放A4尺寸，五層設計分類管理更方便。
The cover is laser-stamped, sealed on both sides, and has a thumb groove for easy access to paper. It can be used vertically or horizontally, making it very suitable for storing important documents.
OEM design is provided, and plastic molding technology is used to produce the three-dimensional shape required for the product surface.
The inner pages can store A4 size, and the five-layer design makes classification and management more convenient.
