The transparent polyester labels look as if they were printed directly onto shiny surfaces. They are suitable for products or packaging made of glass, plastic, metal, or other glossy surfaces. Additionally, the Avery Zweckform labels are oil, dirt, and temperature resistant, as well as splash and tear resistant, in a round format of 40 mm. These labels provide a crisp print image without smudging for a professional appearance. They ensure strong and lasting adhesion on a variety of surfaces. This quality is guaranteed through regular testing in testing laboratories. You can rely on a guaranteed jam-free printing process without adhesive residue in the printer. These labels can be printed on all common laser and color laser printers.