White Material: Polyester Print technology: Laser Labels per pack: 50 pc(s) Make sure your parcels arrive safe whatever the weather conditions. Avery waterproof paper labels are resistant to water, prolonged UV exposure, abrasion and chemicals/solvents (Hydrochloric Acid, Methyl Ethyl Ketone, Xylene, Iodine, Anti-freeze, Sodium Hydroxide, Methanol, Magnesium Sulfate, Isopropyl Alcohol). Meaning that they stay intact with no smudging of text so the address remains easy to read.Shipping labels in a format of 99.1 x 57mm with 10 labels per sheet for laser printing and are ideal for use on any packaging materials including polythene or Tyvek® envelopes. The special waterproof paper material and adhesive will resist 90 days immersion in sea water and temperature variations (-30°C to 100°C) to give you a waterproof paper label that remains easy to read.Send the right message with a neatly printed label using Avery Design & Print, free template software where you can personalise your parcel l