Description: Cutting mat Size:A5:18inchx12inch Blue Cutting Mat thickness: 1/8inch(3mm)thickness protects work surface from being damaged cutting mat is durable, non-slip, self-healing, long-lasting, finish reseals surface cuts, which providing a continually smooth surface for all cutting projects. Ships flat, stays flat. Our mats resist curling and warping. Perfect for quilting, sewing, scrapbooking, arts and crafts, DIY projects or use as a desktop mat or protector. Professional quality cutting mat has 3 layers in total. It's tough and rubbery. White PVC inter-layers is difficult to be cut off. Other brand black inter-layers mat is easy to be cut off. Accurate cutting double side This mat has easy to read inches gridlines & angles on one side and metric gridlines & angles on the other side, it will greatly help the cutting process. Double-sided mats offer greater flexibility and twice the useful of single. [Craft Mat] Cutting mat not only protects your work surface, but also keeps your rotary cutter blade or craft knife blade compatible with sharp without hurting the blade. This mat has a number of useful markings to help you with your model building activities The three-layer mat has an inner hard layer surrounded by softer outer layers, increasing the life of the knife blade while leaving minimal cutting marks