1. Choose the Size of Mat board 'Outside Dimensions'
2. Choose the color
The size of the Mat board will be the size of the frame you have.
When placing order indicate the size of the poster or document you will be putting the mat board around. We call this the 'opening size' of the mat board.
Size of frame AKA outside dimensions of mat board
Opening Size AKA inside cut out dimensions
**Please always use inches**