This ink-side-out ribbon features an open 1/2" core and is to be used for the Brady BBP11 Label Printer and BBP12 Label Printer One-color ribbon for printing a single color onto a label. R4300 Series Ribbons offers strong environmental resistance against smearing and chemicals when printed on the appropriate Brady® label material. Recommended for printing on paper and films that have a matte or rough surface, such as B-427 Self-Laminating Vinyl and B-499 Nylon Cloth from Brady®. Combine Brady label materials with their recommended ribbon series for superior legend performance.