These boards are great. They are much thicker than a leading brand mat that I have. They have a bit of chemical smell when you first get them, but it dissipates in a short time after unwrapping. This is a great buy for the price and the self-healing works just as well as any other mat I have.
These are perfect in a functional sense, they're super thick so the self healing really works. It is a little Annoying that the units are not in inches and I wish that I had ordered some that were a little bit bigger.