Business Source Laser/Inkjet File Folder Labels - 21/32" Width x 3 7/16" Length - Permanent Adhesive - Rectangle - Laser, Inkjet - White - Paper - 30 / Sheet - 1500 / Pack - Jam-free, Lignin-free, Self-adhesive - 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.