ALVIN, Professional Cutting Mats Green/Black Size - 36L x 24W inches, NEW 24 in. x 36 in. 3 mm. Thick, extra durable, self-healing, reversible and non-glare surface Non-stick surface is impervious to abrasions and liquid spills Hanging hole for convenient storage Printed grid pattern includes guide lines for 45 and 60 degree angles and 0.5 in. grid lines