I bought a wonderful Horn cutting table 2-3 years ago and ordered a cutting mat made to fit the table exactly. Big mistake. I went back to my green Olfas and just put 2 side by side. Doesn't cover up the table entirely but works. The Horn one is a white one and destroys the blades. About a year after I bought it I mentioned to the dealer that I was really unhappy with it and how I had gone back to the Olfas. She agreed and said she doesn't like them in her shop at their cutting table. In the meantime I order the large 72" Olfa from Joanns, but took it back. At the time they were having free return shipping which is rare. It was in 2 pieces and clipped together. That was not a good thing either because where they clipped together was not smooth. So I am using the green ones on top of the white one. One good thing it is good for is for measuring long pieces of fabric and that's about it.