I am using some pockets from cardsandpockets.com for our invites. They are 5x7" exactly. I'm looking for inner and outer envelopes to use. They only have one size on their website that would work (A7 size which is 5.25 by 7.25). What would I use for an inner or outer envelope in addition to those? Is there a particular size? A website you went to for envelopes? Trying not to spend a TON but still want to do the traditional inner and outer envelopes.
Any ideas would be great!