Avery Weatherproof Shipping Label 4 Per Sheet (Pack of 100) L7994-25These Avery weatherproof parcel labels are made from extremely durable polyester, which is oil, dirt and UV resistant, as well as waterproof, tear proof and temperature resistant from 20 to 80 degrees Celsius. For use with laser printers, these labels are ideal for use with a variety of packing materials, including polythene envelopes. Each white label measures 99. 1 x 139mm. This pack contains 25 A4 sheets, with 4 labels per sheet (100 labels in