This particular size envelope is generally used as a formal reply/response
for official events (weddings, parties, etc). The size of the envelope
is 3 5/8" x 5 1/8". An A1 envelope can fit into an A2 or A6
or A7 or A8 outer envelope.
Note: The name 4 Bar and A1
are interchangeable throughout the industry. The only difference between
a 4 Bar and an A1 envelope is the flap style. A 4 Bar envelope has a pointed
flap and
an A1 envelope has a straight flap
. We only sell A1 envelopes.
We stock the following A1 envelopes. Just click on the
sample of the paper that you like and you will be taken to a page where
you can order them.
*AIS- Always in stock |