At long last, the Rick Astley classic, "Never Gonna Give You Up," is here!  The song loops non-stop, open or closed, until the battery dies, glitter inside if you rip it apart. 

Preview the card and song here:

How do I mail this?

1. Open the card and write your own personalized message 
2. Start with adding the receivers address on the envelop
3. Insert the card into the envelop
4. Remove the tab 
5. Add the right amount of stamps and send it with your local postal carrier