Do you often send parcels? Want to ensure that your shipment reaches its destination intact? Avery Zweckform's weatherproof labels are durable and robust, guaranteed to remain intact regardless of the weather conditions. Smudged addresses look unprofessional and are difficult for postal services to read. These labels are water- and dirt-resistant, tear-proof, and UV- and temperature-resistant, ensuring that your address remains clearly legible. If you use polyethylene or Tyvek envelopes, these labels are the perfect addition.