Well - I went online after I got home from work and ordered a right-hand Martelli cutter and extra blades from Overstock. com. I've seen the video about this product and was really intriqued. The cutter looks wonderful and later I will get the mat. They are self healing like the green ones (can't remember the names) and they also roll and won't bend or ripple if left rolled up. I left my green mat in the heat of the car for about 1/2 hour and have one side that has a big ripple in it. Was able to smooth it out a bit with the iron and weights, but it won't go away completely. I'm looking forward to my new cutter. :)