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。
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。
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