Features: Professional-quality, double-sided mat with grid lines angles.Great for crafts, quilting, cutting projects or use as a desktop mat Accurate Cutting: The self healing mat contains different sets of clear grid lines, measurements, and angles that will Greatly help the cutting process. Thick With Self-healing:1.22mm, for heavy duty cutting, compatible with rotary cutters.Reseals surface cuts, providing a continually smooth surface for all cutting projects StrongDurable:Our heavy duty mats resist curling and warping.Protect your table top from sharp blades, writing instruments and other art and craft tools Specifications: Color:Blue Material:Plastic Size: 30x22cm/11.81x8.66 Quantity: 1Pc Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-3cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: (Without retail package) 1Pc x Art cutting mat