4" x 6" Printer Labels are ideal for shipping, providing high-quality, smudge-proof prints. These labels fit standard shipping packages, ensuring clear addresses and barcodes. They work with most direct thermal printers, offering seamless integration into your system. Label Supply Mart offers these labels in bulk, so you're always prepared. Upgrade your shipping process with these rel... https://www.labelsupplymart.com/collections/direct-thermal-printer-labels-roll