This depends on the product that you have ordered.
I have put how many days products take to ship in the Product and the Catalog Descriptions.
Here is a summary showing the times as well.
Greetings Cards - Next business Day
Sale Items that are already printed and In Stock - 2 business days until the shipping date.
6 x 9 Photographic Prints - 3 to 5 business days until the shipping date.
50 x 70 Poster Prints - up to 5 business days until the shipping date.
Custom Canvas Prints (including Floral Minis) - up to 7 business days until the shipping date.