封面雷射烫金+亮片浮贴，两侧密封，设有拇指凹槽，方便取放纸张，可垂直或水平使用，非常适合存放重要文件。
提供OEM设计，并採用塑胶成型工艺，制作出产品表面所需的立体造型。
内页可存放A4尺寸，五层设计分类管理更方便。
The cover laser hot stamping + sequins, 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.
