Self-adhesive dividers transform standard fastener folders into divided or classification folders. Made of 11 point heavyweight manila stock. Dividers classify papers in up to four categories and feature standard 2-3/4" slit punching. Scored to forma self-adhesive hinge for attaching to folder. Hinge-slotted to fit around fasteners in folder. To create additional filing surfaces, add self-adhesive or twin-prong fasteners (sold separately) to your dividers. SFI Certified.