Your Desk Mat might not have been completely flat to start with and this is completely normal because of the way it's packaged. We recommend watching this quick video to help you get going with your Desk Mat right away.
If it's still not completely flat, repeat Step 2 (Bend the Toolbar towards you) with more pressure and hold it longer, at least 10 seconds. This should be sufficient. The creases you get from rolling are normal. In use, these will be hidden under the top layer and are not visible, nor will they affect the product performance in any way.