Avery Products - Avery - Custom Binder Spine Inserts, 2amp;quot; Spine Width, 4 Inserts/Sheet, 5 Sheets/Pack - Sold As 1 Pack - Create professional-looking binder spines using your inkjet or laser printer. - Micro-perforated cardstock for easy separation of each spine. - Firm cardstock makes it easier to insert each spine into a binder. Spine_Width - 2&quot; Colors - White Machine_Compatibility - Laser Printers Quantity - 20 per pack