The double-sided nature of the cutting mat provides versatility for different cutting projects, You can choose to use the solid side or the gridline side based on your specific cutting needs, This flexibility makes it well-suited for a range of applications including quilting sewing crafting and general hobby use. Overall the features of the OLFA Double-Sided Rotary Mat such as its durability self-healing surface and versatility make it an excellent choice for craft enthusiasts and professionals alike, Features: Helps extend blade life and product work surface, triple-layer heat welded construction, 2.0mm thick for a variety of applications, accepts fixed blades and rotary blades, hole for hanging. Yellow.