These are placemats that have been made with chalkboard fabric. It even has a little pouch where chalk can be placed. These will keep little ones busy at the table while waiting for their food. I made these from a free pattern from Bernina.
You can get directions at http://weallsew.com/weallsew/files/2011/08/ChalkboardPlacemat081111.pdf
You can get directions at http://weallsew.com/weallsew/files/2011/08/ChalkboardPlacemat081111.pdf