I use different brand of cutting mats. I have every surface in my sewing room covered by a mat. Olfa, Fiskars, Polar, June Taylor, Martelli, Fons and Porter which I think is Olfa. I found the self healing mats seem to dull the blade faster then the hard surface mats. I like June Taylor and the best one and the most expensive mat is the Martelli brand. They last much longer and saves money over time. It is the mat I have used the longest.