5 Rolls OfficeSmartLabels 1-1/8" x 3-1/2" Address Labels (130 labels) Dymo 30251 Compatible for DYMO LabelWriters 330 400 450 Twin Turbo Duo 4XL Printer Compatible with DYMO 30251 Dimensions 1- 1/8" x 3- 1/2" 5 Rolls / 130 labels per roll / 1 inch core High quality, bright white direct thermal paper Strong Adhesive/ Water Resistant / Color: White