MFLABEL 20 Rolls Dymo 1744907 Compatible Shipping Labels for LabelWriter 4XL Dymo 4XL labels,20 rolls,220 labels per roll. 100% compatible with Dymo 4XL LabelWriter, Strong adhesive to corrugated boxes and envelopes With premium raw material, our label is waterproof, durable and printing clearly Minimum application temperature: 50; Service temperature range: -59~+149