The Treeline A4 PVC Top-Open Filing Carry Folder Range features a secure document envelope filing layout system. Specialized multi-punched spines let users archive folders cleanly inside ring binders. High-clarity 180-micron PVC construction delivers complete water and tear resistance. The short top-loading pocket profile makes filing receipts easy. A heavy-duty press-stud clip button closure anchors loose sheets. This multi-pack provides effortless document sorting inside academic spaces.