Resources & Support

Envelopes come in all shapes and sizes and you'll need to know which envelope is right for your specific job. Below we've listed the most common envelope sizes and even provided you with links to specialty envelope vendors.

Announcement Envelopes
4-Bar: 3 5/8" x 5 1/8"
Baby: 2 1/4" x 3 1/2"
A2: 4 3/8" x 5 3/4"
A6: 4 3/4" x 6 1/2"
A7: 5 1/4" x 7 1/4"
A9: 5 3/4" x 8 3/4"
A10: 6" x 9 1/2"
Square: 5 3/4" x 5 3/4" or 6 1/2" x 6 1/2"

#9 Envelope: 3 7/8" x 8 7/8"
#10 Envelope: 4 1/8" x 9 1/2"

Booklet Envelopes (flap on the long side)
6" x 9"
8 3/4" x 11 1/2"
9" x 12"
10" x 13"

Catalog Envelopes (flap on the short side)
9" x 12"
10" x 13"

Links to Specialty Envelopes

While we're more than happy to print custom envelopes for you, depending on your job, it might be more beneficial to purchase envelopes off the shelf. Here's a list of a few places to begin your search.

Clear Envelopes
Envelope Mall
Jam Paper
Jet Envelopes
Paper Source
The Paper Mill Store