Size A0 - 36in x 48in! EXTRA LARGE Self-Healing CUTTING MAT - Reversible Inches and Centimeters - thoughtful design - 5 layer mat, finest available Extra large cutting mat - size A0 - 36in x 48" Reversible - Green side in INCHES -- black side in CENTIMETERS - .01 mm tolerance for accuracy! Tabs for standard sizes for paper and photographs - common drawing and cutting angles included Tired of tracking to the edge of the mat for the inch? We've solved it by including size markings up and across the mat! Never scan to the edge again. Measurement lines stretch beyond where normal mats go, when your media covers the markings, you can still see them!