4 Rolls (1,200) Dymo Compatible 30256 Shipping Labels; 2-5/16" x 4" - BPA FREE OfficeSmartLabels for DYMO LabelWriters 330 400 450 Twin Turbo Duo 4XL Printer Compatible with DYMO 30256 Shipping Labels / Dimensions 2-5/16" x 4" 4 Rolls / 300 labels per roll / 1 inch core High quality, bright white direct thermal paper Strong Adhesive/ Water Resistant / Color: White