Omnigrid 18-Inch-by-24-Inch Gridded Cutting Mat
Cutting Mat has a self-healing base .25 hash marks on all four sides 1 inch grid marks on all four sides and two bias diagonals; markings are in yellow.  Cutting surface on both sides grids on one side.  1.5mm thickness.  Mats are true full-size meaning an 18x24 mat has 18x24 measurements plus .50 inch salvage all around.  Color:  Royal Blue.