Dymo (1744907) 4x6 Compatible Thermal Shipping Postage Labels BPA Free - 220 Labels per RollLabel size: 4" x 6" | Rectangle | White | Direct Thermal Printer Compatibility: Dymo LabelWriter 4XL These labels are used for printing shipping labels or postage labels. Labels are perfect for oversized envelopes, priority mail packages and boxes.Large size is big enough to fit your return address, logo, as well as the recipient address all while meeting postal requirements.Labels use direct thermal printing process so you never need to bother with messy, expensive ink or toner cartridges. With a convenient roll format, you can print one label or hundreds with ease.Labels are smudge resistant and water and oil resistant. All temperature, strong permanent adhesive is excellent for all general purpose labeling applications. Each roll is individually packed into a protective black polybag to protect against moisture & light.Disclaimer: We do not sell Dymo® branded labels.