I know about the stamps but I was wondering if you had to use a specific envelope, like the standard 1oz ones. It's just a letter and I have special stationary and envelopes I got from Barnes and Noble awhile back. The envelope is a bit smaller and has some trim around it. I wanted to know if I could just use that envelope instead of a standard plain white one. Xx
Read more: Do you have to use a certain envelope for overseas mail?