ak interactive cork sheets coarse grained 200x290x6mmIncludes 1 sheets of COARSE grained 200x290x6mm Material: The product is made from cork, a natural, water resistant, and durable material. Grain: The "coarse grained" designation means the cork has a rougher texture. Purpose: Cork sheets are used in modeling and hobbies for various purposes, including creating foundations, textures for dioramas, and building structures. They can be used as a base for assembling and painting figures.