I agree with Jan's assessment of Olfa mats. They were the first I ever used almost 40 years ago, and even though I have used others periodically, in my opinion you can't beat Olfa products. I really like what she said about paying a bit more for quality now rather than continually replacing blades and mat consistently. If you order online from WalMart you can get a better price than the fabric shops most of the time and it's the same product.