Trim photographs, collage materials, textiles, finished artwork or stationary safely and efficiently on this self-healing, double-sided cutting mat. Ideal for artists, students, crafters and DIY makers. The mat protects surfaces from sharp blades, writing instruments and other art and craft tools. The double-sized cutting mat's resilient surface heals so completely that cutting leaves no visible trace, and repeated use actually prolongs the life of your cutting knife blade. Gridded surface for precise alignment and measuring The mat is 3mm thick featuring 5-layer PVC construction Green and black design