How much money in stamps for this envelope?

Question

It is a thick 6x9 (interior) envelope. It is the Duck brand and has thin bubble wrap inside. It is rigid and about and inch thick at most with item inside included. I am sending it within the United States and it weighs a little over 5 ounces.

Answer 1

Have you tried looking it up on the post office's website?

www.usps.com