Brady, M21-750-488, 110936 0.75 inch x 21 ft White BMP21 WorkHorse Matte Polyester Label. High Performance Polyester (B-488) withstands numerous solvents and variable temperatures when applied to various surfaces including Stainless Steel and Polypropylene. Matte white polyester material has a permanent acrylic adhesive and is thermal transfer printable. Ideal for general and bar code labeling on flat, smooth surfaces. UL approved; CSA accepted. All-in-one cartridge includes ribbon and label supply.