Quality - Our Priority: Smudge-Free & Fade-Resistant labels. Print darker & sharper barcode UPC labels that permanently adhere to virtually any surface. Perfect for FBA and as return address labels - be confident that your mail will reach its destination safely. True-Ally 2 x 1 Chromo Labels are White. Print darker & sharper barcode UPC labels that permanently adhere to virtually any surface. BPA-free, Easy to peel off, fast & clear printing. Thermal transfer technology: Requires the use of a ribbon to print, compatible with Zebra, TSC, Honeywell, Datamax, Intermec, Sato Smudge-Free, Fade-Resistant, Scratch Free.Print darker & sharper address, barcode, UPC. Smooth and tidy rolls make the printer fluently. True-Ally 50x25 mm Self Adhesive : Great for address labeling, box labeling, warehouse, product identification, and distribution