Size of label: 101 x 54 mm Type of label: adhesive; paper color: white; font color: black Constant Content (220 pieces) Label width: 101 mm; Label height: 54 mm; Format: Rectangular Fit for printers that use direct thermal technology In line with DYMO Compatible with LabelWriters 330T, 400, 450, 4XL, and LW 550 Sort of Product: Shipping Label Shipping labels