What to write on outside envelope of baby shower card?

On the outside envelope of a baby shower card, you should write the recipient's name and address in the center. You can also include a return address in the top left corner. Make sure to use the appropriate titles, such as Mr., Mrs., or Ms., and double-check the spelling of the recipient's name and address for accuracy. It's also a nice touch to add a decorative element or sticker related to the baby shower theme for a personalized touch.