OLFA's 35x70 Continuous Grid Rotary Mat protects larger work surfaces and the life of rotary blades with this self-healing mat! Mat clips tightly hold the mats together for continuous cutting and numerical measurement. The mat is triple layer heat welded construction that is 1.5mm thick and double-sided; features a dark green base and yellow grid lines on one side and a solid green base on the other. Store mats flat, do not roll. Keep away from extreme heat and cold. This package contains three 23x35 inch cutting mats and four mat clips. RM-CLIPS/3, 9894. WARNING: This product can expose you to chemicals including Di(2ethylhexyl)phthalate (DEHP), known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. Imported.