

Safe Seal – Security Cut Envelopes
- The most prominent feature of the Security cut DL envelope is the presence of a perforated edge, along one side of the envelope. This perforation allows a specific section of the envelope to be cleanly and easily detached, without the need of scissors or other tools.
- The seal mechanism ensures that once opened the perforated closing tears along with the flap.
- Perforated DL envelopes are often used for business or reply mailings.
FAQ's
Security cut envelopes are designed for securely mailing confidential documents such as invoices, bank statements, legal papers, and payroll checks. The interior of the envelope typically features a printed security tint that prevents content visibility through the paper. And the portion where the flap is pasted is perforated with cuts and designed to tear off when the envelope is opened. Thus, making it of one time use only.
A security tint is a printed pattern on the inside of an envelope that obscures the contents from being read through the envelope material. It is a key feature in security envelopes and helps protect sensitive information during mailing or handling.
Yes, security envelopes are available in both window and non-window options. Window envelopes are ideal for business correspondence where the recipient’s address is pre-printed on the document, while non-window versions are used for fully enclosed documents.
Standard sizes include #10 (4.125″ x 9.5″), DL (110 x 220mm), C5 (162 x 229mm), and other business envelope formats. Custom sizes are also available based on specific mailing or branding needs.
Absolutely. Security envelopes can be custom printed with your logo, return address, and branding elements. Many businesses opt for this to maintain professional identity while ensuring document privacy.