When does a customer get a card in the mail?
Once you have created your card, you can customize how many weeks to wait after a customer’s purchase to send them a card.

Set the number of weeks between sending and your customers purchase.
Delivery Times
Postcards sent to US destinations typically arrive within 1 week, but international postcards are very much at the mercy of the local postal system where you’re sending the card. In North America and Western Europe, they typically arrive within 2 weeks. For cards sent further abroad (e.g. South East Asia, Latin America), we’ve seen them take as long as 3-4 weeks.
If you have added a discount coupon code to your card, the expiration date will automatically factor in a 1-week grace period for domestic US recipients and a 15-day grace period for international recipients.