Business Source Laser/Inkjet Permanent File Folder Labels - 43/64" Width x 3 7/16" Length - Permanent Adhesive - Rectangle - Laser, Inkjet - White - 30 / Sheet - 750 / Pack - Jam-free, Lignin-free - Use permanent file folder labels to get organized. Easy-to-use labels are compatible with laser and inkjet printers. Sheets of labels will not jam. Labels are archival-safe, acid-free and lignin-free.