Cover-typed sidekick designed, many colors for choice, ring binder designed, it is easy to replace the interior pockets.

封面式插袋设计，多种颜色可供选择，活页设计，内页更换简易方便。

youdao

Windou-type sidekick, convenient for writing and recording; many colors for choice, ring binder designed, it easy to replace the interior pockets.

窗口式插袋，便于书写、记录；多种颜色可供选择，活页设计，内页更换简易方便。

youdao

Windou-type sidekick, convenient for writing and recording; many colors for choice, ring binder designed, it easy to replace the interior pockets.

窗口式插袋，便于书写、记录；多种颜色可供选择，活页设计，内页更换简易方便。

youdao