A 5-layer double-sided, high quality self healing cutting mat measuring 450mm x 300mm, which accommodates a full size piece of A3 paper. Cutting mats screened with: – Metric - Centimetre (cm) and Milimetere (mm) grid marks – Imperial – Inch and 1/4 Inch grid marks, picas and points. – Angle lines – 30, 45 and 60 degree.