Superior quality permanent wax oil pastel they are water-resistant, creamy, economical to use thanks to superior covering power, 100% usable, excellent light resistance and ASTM D4236 compliant They can be applied to all materials (paper, cardboard, glass, wood, leather, fabric, stone, etc.) and dissolved using turpentine, becomes a wax coating on hot metal, user in combination with NEOCOLOR? II Watersoluble.