1. PVC wrapped on front side of cover to prevent damp. 2. The inner card boards use strong recycled paper to resist deformation. 3. Top quality and durable D-ring mechanism can hold more papers and prevent rust problem.
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Company Details
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1. PVC wrapped on front side of cover to prevent damp. 2. The inner card boards use strong recycled paper to resist deformation. 3. Top quality and durable D-ring mechanism can hold more papers and prevent rust problem.