Self-Seal Security Envelope Printing FAQs
- What is a self-seal security envelope?
It's an envelope with a peel-off adhesive strip and a security tint pattern printed inside. Peel the strip, press the…
- What size are your self-seal envelopes?
They're standard #10 business envelopes, 4 1/8" x 9 1/2". They hold an 8.5" x 11" letter folded in thirds.
- Do you offer self-seal envelopes with a window?
Yes. Choose a standard address window for invoices and statements, or no window for letters and marketing mail. For…
- What paper are your self-seal envelopes made of?
A single, sturdy stock: Self-Seal Security Strip Uncoated 60lb text (about 24lb bond) with a security tint inside. It…
- How are self-seal envelopes printed?
We print digitally on pre-made (pre-constructed) envelopes, in full color or 1 color on the front. Keep your design…
- What quantities can I order?
Order 25, 50, 75, 100, 250 or 500 online. Need more? Request a custom quote, and our estimating team will get back to…
- How fast can I get custom self-seal envelopes?
Most orders ship in 2–4 business days.
- Are self-seal envelopes more secure than gummed envelopes?
Self-seal adhesive bonds consistently every time and doesn't depend on moisture, so it's less likely to pop open in…

