VViViD Reversible Self-Healing Gridded Ruled Green Cutting Mat for Siser， ORACAL， Craft Cutting<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Self healing， non-slip surface leaves virtually no trace after dozens， even hundreds of uses.</li><li>Features a ruled grid on one side and angles， ratios and eclipses on the reverse side.</li><li>Perfectly suited for use with rotary blades， utility blades and x-acto knives.</li><li>Total surface size 11.8” x 17.8” (30cm x 45cm)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51Cry%2BSNo3L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41DkqRtB9UL.jpg" noproxy>