Durable thermal return address labels are scratch-resistant, smudge-free & water-resistant. They also resist dirt, dust & grease. These labels are compatible with popular thermal label printers for a polished, professional look. Packed in a secure bag to protect from light & ensure optimal performance, these labels come packaged in rolls, making it easy for you to print one label or one hundred. Permanent adhesive helps them stick & stay in place. Labels are great for addressing envelopes, labeling file folders & identifying product samples.