If you are in the handicraft industry, or you have a hobby in handicrafts, you absolutely need such a durable backing board, which makes you look more professional and greatly improves your efficiency. DOUBLE SIDED: Double sided printed, metric gridlines 3045 60angles.Mat size: 120 x 50cm, Grid size: 117 x 57cm GRAET QUALITY: 3MM thickness, 5-layer PVC material, White hardness PVC in the middle, very durable Compatible with rotary cutters and straight blades. Some brand cutting mats are black in the middle, which is easy to cut though SLEF HEALING: The mat surface is specail soft PVC, finish reseals surface cuts, what's more, it protect your cutter blade from hurts, EXTENDED the blade's life. you will have a good smooth experience while you do the cutting job Flat packaging: We use a flat packaging method instead of a rolled one. You can use it immediately upon receipt without having to flatten it out. Highly recommended: Highly recommended for artist, crafters, builders, quilters, engraver and hobbyists. You can use this mat as a desktop protector or DIY cutting board at your room, home, school or office. Perfect gift for craftiers and hobbyists