Olaf Gridded Cutting Mat 6"x8"
OLFA Professional 6x8 Inch Self-Healing Rotary Mat.
Self-healing, professional quality rotary mats are 1.5mm thick and double-sided with a green base color and yellow grid lines on 1 side for detailed cutting and solid green on the other side for general cutting.
Markings are 1" grid and .25" hash marks on all 4 sides. Mat protects your work surface and greatly extends the life of your rotary blades.