A4雙開檔案夾 / A3對開展頁夾
尺寸說明： 展開後為A3尺寸，收合時為標準A4大小。
產品特色： 採用內部透明圓弧設計，方便文件收納與取用，同時清晰展示內容，提升實用性與整體質感。
A4 Double-Fold File Folder / A3 Bi-Fold Display Folder
Size Description: Expands to A3 size when opened; folds to standard A4 size when closed.
Product Features: Designed with a transparent inner arc for easy storage and retrieval of documents. The clear layout enhances visibility and accessibility, improving both functionality and overall aesthetic.
