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Black metal ring document ring binder:
Features :
1) Cover: Leather/ PU/ PVC, metal buckle;
2) Size: 30*15cm(folded), or you required;
3) Kinds of closure available: press button closure, zipper closure, metal fastener;
4) Logo available;
Small orders and trial orders are accepted.
OEM and ODM service is welcome
Black 3 metal rings ring binder