If you're ever curious about finished size of an item and it's not in the description, you can always click on the Fabric Calculator on the left side of the screen. You can change fabric count and such to see how that changes the size, too.

For this item, these were the results for 14 count fabric:

Calculation Results:
Fabric Size: 22" x 11"
when stitched on 14ct Aida
We recommend at least 2 inches of extra fabric around the design for framing and finishing.A piece of 22"x11" fabric will give you 2.45" of extra fabric on the left and right, and 2.05" on the top and bottom.
Note:The stitched area will be 17.1" x 6.9".