Mailing Labels for laser and inkjet printers. Our mailing labels work with all popular label software programs and label templates and are excellent for you to use when doing mail merge programs and letter mailings. Choose from a wide variety of materials including clear mailing labels, glossy, clear, foil, colors and more! Any of our mailing labels are sure to give your mailings a professional look. Mailing labels come on US letter size (8.5 x 11”) sheets.