Mat Board Illustration Board White to Natural White Thickness: 2.6mm~1.7mm Packed tightly in a compact box! Approximately 20 sheets, a large quantity, fitting the bottom size of a compact box (about 24x19cm)! Scrap materials, so it's a super bargain!!! High quality, using 50% or more cotton, so it has warmth, resilience, and a solid thickness. High-quality material with less discoloration due to oxidation. The surface and cross-section have the same color, a high-grade material. You can draw directly on it as an illustration board. You can draw a lot. Because of the thickness, it's less likely to warp with watercolors. You can also use it for framing artwork by cutting out windows. Various uses, such as for three-dimensional models and backing boards for preserving artwork. The cross-sections are a mix of beveled cuts and straight cuts. You can cut it with a cutter, so you can process it to your desired size. (If you cut it yourself, please be very careful not to get injured!) These are leftover materials, so please refrain from purchasing if you are overly concerned about imperfections. End