100% compatible with the 400/450/4XL DYMO LabelWriter, CoStar and Rollo printers. We start with superior raw materials consisting of: (a) high quality, smooth, white, matte paper coated with a black imaging thermo-sensitive coating, (b) a general purpose permanent, rubber-based adhesive, (c) white glassine (release paper), (d) superb whiteness, and (e) water, grease and rub resistance.
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