Avery File Folder Labels in Assorted Colors for Laser and Inkjet Printers with TrueBlock Technology, 0.67 x 3.43 Inches, Pack of 750 (5266)(Packaging May Vary) Ideal for color coding your file folders, documents and binders Customize with free tools, software and templates from avery.com Guaranteed to stick and stay for a permanent labeling solution TrueBlock Technology completely covers everything underneath