Protect your tables and work surfaces with this large cutting mat in non-slip, self-healing vinyl. Marked with a 1-Inch and 1/2-Inch grid. All 4 edges marked in inches down to 1/8-Inch, 2 edges marked in centimeters. Also indicates 45-degree and 60-degree angles. Measures 24-Inch by 36-Inch (61 centimeters by 91.44 centimeters).