ongeveer 30x40cm. Rangers Silicone Mat is a durable, heat resistant surface great for all craft and mixed media needs. The clear silicone is ideal for placing over a white surface to create a mixed media palette where wet mediums can easily be mixed together, making colors easily visible. This Silicone Mat resists slipping on any surface, and the smooth finish prevents texture from transfering onto any projects. Mat measures 12x16inch.