2 Pack Design: Jiaron Sewing mat is with 2 packs design. A3 Size, 12*18 inches. It can be one for you and another one for your kids or friends. Self-Healing Design: Jiaron cutting mat is made of 5-layer PVC material, its self-healing features protects your work surface, craft knives, straight cutting blades, and keep your sharp blade from becoming dull. Premium Cutting Mat: Jiaron self-healing cutting mat is made of new PVC material, it is flexible and durable and resists a wider temperature range, A good friend to protect your work surface and suitable for various cutting tools. An Icdeal cutting mat for artist, crafters, quilters, engraver and kids. Screened Guidelines: Jiaron cutting mat is clearly double-side printed with inches, metric grid lines, and diagonals. It's a meaningful tool for cutting, quilting, modeling, crafting and scrapbooking. Precise Measurement Grip: 1/2" grid with 1/8" marks, 45 and 60 guides, make it earlier trimming and sizing.