Durable self-healing 5 layer construction. Reversible design with a black side & a green side. Accurate 1" grid with 1/8" marks for precise alignment as well as 30, 45. 60 & 90 degree guide lines. Numbered for right or left hand use. Double-sided with yellow grid lines on one side, solid on opposite. Protect your work area and greatly extend the life of your rotary blades. 1.5mm thick.

*Due to the NEW Shipping Policy and additional $5.00 will be added to your shipping. Extra packaging is needed to ensure that this product arrives safely and intact.