There are two choices A4 or A3 available to be selected in the option. The cutting mat is made of high-quality PVC material, which is wear-resistant, durable and self-healing. It provides a secure and comfortable surface for various cutting, drawing or crafting projects. It features a two-sided, grid-patterned surface for precise measurements and angled lines for easy and accurate cutting. This cutting mat is suitable for a variety of materials and surfaces, including paper, fabric, leather, and more. It is lightweight and portable, making it easy to carry and store. It is compatible with rotary cutters and straight blades, won't hurt the cutter blade and keep the blade sharpness. Ideal for artist, crafters, quilters, engraver and hobbyists.