I use this one
https://www.amazon.com/US-Art-Supply...s%2C193&sr=8-5
Blue on one side, pink on the other, just have to recognize that the lines are for 1-35 and 1-23, not 1-36 and 1-24. I can see the markings on these better than on the green mats, and they are holding up well. Double-sided, so very good for the money.