Self Healing Cutting Mat, 8 Inch x 11 InchProduct Details:Dimensions: 8″ x 11″ x 0.12″ ThickSelf Healing PVC Material / Small Cuts in Material Heal Them SelfOne Side Marked With A Partial Compass And Circles Within CirclesCompass Side Has 4 Quadrants With Centimeters MarkingsOther Side Perimeter Is Marked In Inches and Centimeters With DivisionsOne Side has a 60 Degree Line and 2 x 45 Degree Lines CrossedGreen Mat With Yellow MarkingsEnkay4111