CelluClay Papier Mache, 5 lb. grey is a low cost, recycled paper medium which mixes easily and moulds quickly. CelluClay is very easy to use, simply add water and it air dries. This instant papier Mache is completely non-toxic and adheres to almost any surface. CelluClay is very versatile as once it has air dried it can be sanded, sawed and nailed. Also, wet pieces of the papier Mache can be added to dried pieces and CelluClay can also be stored for several days in a sealed plastic bag refrigerated. CelluClay is great for papier Mache projects and sculptures such as papier Mache volcanoes, masks, boxes and even an egg.