These are great and durable. I've had them for a few month now.
The kids have smeared all kinds of thing on them and they wipe clean. They have even gotten paint on them from art projects and it's wiped right off. The only time it didn't was when I didn't notice the paint until the next day and by then it had actually seeped in. Luckily it was yellow so it wasn't as noticeable once I got most of it off.
Overall, I am happy with them and would get them again.