The clock was ticking. I had fifty hand-lettered invitations and exactly zero envelopes to put them in. A7 envelopes—the standard 5.25" x 7.25" size for 5x7 cards—are a staple, but finding them in person can be a scavenger hunt.
Check the stationery and paper-crafting departments. where to buy a7 envelopes in store
Ask the associate if they have "5-and-a-quarter by 7-and-a-quarter invitation envelopes." The clock was ticking
Hit-or-miss. Check the office supply section, but they often only carry standard #10 business envelopes or smaller A2 sizes. where to buy a7 envelopes in store