If you want to discourage people from interfering with your confidential documents, you mail them in tamper-evident envelopes made of DuPont™ Tyvek®.  A two-layer seal on the flap breaks down when opened. When you seal it again, an 'opened' message shows through the window.

Ideas and inspiration

• highly visible deterrent
• superb security – tear-resistant material supported by tamper-evident seal
• sends out a strong message that you care about customer confidentiality
• ideal for legal and financial documents
• excellent solution for internal communications including business plans, sales and financial data, and personnel files
• helps support your data protection obligations