DURABLE + LONG LASTING: Original & Unique DSM BRAND high quality Self Healing Surface will Automatically Reseal and Repair Itself After Cuts POPULAR SIZE & COLOR: Ideal for Most Crafting, Workshop or School Projects DOUBLE SIDED: Grid Lines, Inches mark on one side and CM mark on the other side. Can be use on both sides to double the Mat's life. Modern colour, non slip base, full 3mm thick. Quality, Durable Cutting Mat That "Reseals" Itself After Every Cut. Never worry again about damaging your work surfaces or blunting your cutting blades.Ideal for both rotary cutters and various straight blades.Extends the life of your blades & protects work surfaces.We do have A1, A2, and A3 size as well. Please check to buy the one most suitable for you.