Perfect for envelopes file folders and other labelling tasks packed in rolls direct thermal printing technology providing clear text that wont smudge perfect for envelopes file folders and many other labelling tasks size 28 mm x 89 mm labels colours yellow pink blue green direct thermal print technology provides clear text that wont smudge smear or fade without messy expensive ink or toner for use with dymo label writer label printers for outstanding results with your dymo label ma