It isn’t advisable to iron on your cutting mats. They tend to warp when exposed to heat. That’s why it’s best to refrain from setting a hot beverage on them. Apart from that, make sure that you do not leave them in a hot car or even in direct sunlight. Once your mats warp, they’ll be of no use. Further, also keep in mind that mats can shatter in icy climatic conditions. Therefore, you need to be extra careful while transporting them.