Self-healing, multi-purpose craft mat for general cutting. Double-sided use. 60cm x 42.5cm x 2.0mm (24" x 17") with a metric grid on one side and an inch grid on the other. Designed for use with Olfa standard-duty cutters, heavy-duty cutters, art knives, rotary cutters and specialty cutters. Olfa cutting mats must be stored flat.