Single Window envelopes

Diagonal Seam & Confetti Tint

Security Single Window Envelopes help keep contents safe. View the address through the poly-film window.

Single Window envelopes are most commonly used for mailing checks, invoices, or other materials, with the recipient address printed on the insert. These confidential envelopes protect your documents from prying eyes while eliminating return addressing. Envelopes with your business name and return address give you a professional, established look.

Number & Size

Number Size
6 1/4 1-1/8 x 4-1/2
6 1/4 3/4L 1/2B
6-3/4, 7, 7-3/4 1-1/8 x 4-1/2
6-3/4, 7, 7-3/4 7/8L 1/2B
Monarch 1-1/8 X 4-1/2
Monarch 7/8L 1/2B
9, 10, 11, 12, 14 1-1/8 X 4-1/2
9, 10, 11, 12, 14 7/8L 1/2B
8-5/8 1 x 4
8-5/8 1L 3/4B


Confetti Tint

Protect your privacy when sending checks, forms or other sensitive information.

Protect your privacy when sending checks, forms or other sensitive information. The tinted pattern inside discourages reading sensitive information through the envelope. Some of the most common scenarios in which security envelopes are used include: bank or tax statements, legal processing, Mailed checks, health documents, very personal correspondence, offers that contain sensitive information and anything with a social security number, account number or health information printed in the contents.

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