The lowest cost to print is with old-school dot matrix printers. These reliable, hard-working machines are still used in offices, factories and warehouses everywhere, due to their durability, print quality and low print cost per page. Compulabel brand Pinfeed labels are manufactured with a high-quality 50 pound high brightness, lignin-free machine finished paper, and strong, general Purpose, emulsion acrylic permanent adhesive. Labels can be applied in harsh environments, as low as 32 degrees Fahrenheit and will perform to negative four degrees Fahrenheit, and up to 176 degrees Fahrenheit. Adheres well to normal substrates, including non-polar surfaces, films and corrugated board. Two year shelf life.