OfficeSmartLabels 1-4/10" x 3-1/2" White Large Address Labels (260 labels) Dymo 30321 Compatible for DYMO LabelWriters 330 400 450 Twin Turbo Duo 4XL Printer Compatible with DYMO 30321 White Large Address Labels / Dimensions 1-4/10" x 3-1/2" 1 Roll / 260 labels per roll / 1 inch core High quality, bright white direct thermal paper Strong Adhesive/ Water Resistant / Color: White