First, these were smaller than I expected for some reason I thought 12 X 9 was bigger. That's on me. Second, these are just plain foam core boards - thicker than the norm - but just regular foam core. There's no special coating or anything, you can save yourself money and just go get the thick foam core from Walmart. Third, I'm making the work for my painting project to paint samples. I even ordered more, mostly because I was lazy and wanted all my samples to be equal. They hold paint well and even come with a little sticker on the back so you can write paint info.
Rating:
[4 of 5 Stars!]