Address labels. Transparent labels virtually disappear when applied, they are oil, dirt and temperature-resistant (-20 °C to +80 °C), waterproof and tear-proof. The address looks as if it has been printed onto the envelope - ideal for light coloured envelopes. Easy to stick on and remove thanks to the unique QuickPEEL™ aid. Suitable for laser and colour laser printers. 25 sheets. ideal for light-coloured envelopes. Oil, dirt and temperature-resistant as well as waterproof and tear-proof. Easy to stick on and remove thanks to the QuickPEEL™ aid.