This Colored Stationery Cutting Mat Has A Thickness Of 1.4 Millimeters And Is Suitable For A3, A4, And A5 Sizes. It Is An Art Carving Board Designed Specifically For Hand Stickers, Carving, And Other Purposes. It Is Particularly Suitable For Tools Used In Carving Exams. Its Waterproof And Durable Features Make It Very Practical For Various Craft Projects.