Cumberland Window Face Envelope DLX Strip Seal Laser Secretive White Box Of 500

120 x 235mm. Heat resistant glassine window 28 x 95mm (32in 16up). Ideal for Laser / Inkjet printers. 90gsm white paper feeds easily through most office laser printers. Window face envelopes incorporate special window material that is capable of withstanding the heat of a laser printer without melting. Secretive pattern to keep documents confidential. Strip seal. Carefully sourced from responsibly managed forests and proudly display FSC Certification.