For use with Lifeloc’s Phoenix 6.0 PermAffix or Phoenix 6.0BT printer. Our PermAffix labels are sized to fit DOT and non-DOT 3 part alcohol testing forms. PermAffix labels uses a special adhesive and label material to ensure tamper evident performance. Each label, also incorporates safety slits on all four corners to provide an extra layer of protection. Approximately 140 labels per roll.