4 Rolls of 500 DYMO-compatible 30330 Multipurpose Labels for DYMO LabelWriters 330 400 450 Twin Turbo Duo 4XL Printer Prints perfect shipping labels or name tags, Label Dimensions 3/4" x 2" Self sticking adhesive, 500 labels per roll Quality top-coated direct thermal paper OfficeSmartLabels brand - compares to Dymo 30330 100% compatible with your Dymo LabelWriter printer