OLFA Professional 18x24 Inch Self-Healing Rotary Mat extends the life of rotary blades and protects cutting surface. 1.5mm thick; double-sided; triple layer mats with a dark green base color and yellow grid lines on one side and solid green on the reverse. Store mats flat; do not roll. Keep away from extreme heat and cold.
Self Healing professional quality rotary mats are 1.5mm thick, double-sided with green base color and yellow grid lines on one side for detailed cutting and solid green on the other side for general cutting. Markings are 1" grid on all four sides, 1/4" hash marks on all four sides. Mats protect your work surface and greatly extend the life of your rotary blades.