Compatible With 400/300 Series DYMO LabelWriter Machines: DYMO LabelWriter 450, 450 Turbo, 450 Twin Turbo, 450 Duo, DYMO 4XL, Wireless, 400, and 330! Not compatible with 500 series printers. You can depend on Aegis Adhesives for compatible labels that follow strict QC guidelines.
eBay