Robert, I have a couple of those silicone mats and also use other silicone bakeware; some of it is smoother than others of its type; it probably depends on the manufacturer. That's an innovative idea, using a mat for an optacon pad. I use mine for cooking. The material even works in the microwave. Mary to view the list archives, go to: www.freelists.org/archives/optacon-l To unsubscribe at any time, just send a message to: optacon-l-request@xxxxxxxxxxxxx with the word "unsubscribe" (without the quotes) in the message subject. Tell your friends about the list. They can subscribe by sending a message to: optacon-l-request@xxxxxxxxxxxxx with the word "subscribe" (without the quotes) in the message subject.