What you get with 'Unbelievalope' is a set (3ea) of envelopes.The envelopes are ready to be set-up however you want. They are sturdy and stiff and are definitely made to last. The quality is outstanding and will last you an incredibly long time. Plus, you get instructions on making your own.
Nothing difficult here...the 'move' is natural, quick, casual, and will fool everyone ;-)