Amazon.com: MarkDomain Compatible Paper Roll Replacement for Dymo 30256 Large Shipping Labels 59 mm x 102 mm (2-5/16" x 4") 300/Roll for LabelWriter 400 450 Duo Twin Turbo 4XL Printer (4 Rolls) : Industrial & Scientific
BETCKEY - Compatible DYMO 30334 (2.25" x 1.25" Removable) Medium Multipurpose Labels - Compatible with Rollo, DYMO Labelwriter 450, 4XL & Zebra Desktop Printers[2 Rolls/2000 Labels]