This kind of ring binder has perfect disign,consummate technology,elegant appearence,low price and excellent quality.

ring binder:O ring binder,D ring binder

The material of front cover :marble pvc,art paper,printing paper;

Thickness of gray board:2.0mm,2.25mm,2.5mm and so on;

The material of lining: pvc,art paper,printing paper;

Our ring binder has perfect disign,consummate technology,elegant appearence,low price and excellent quality.You can use it comfortably.