This product is composed of environmentally friendly modeling materials which are wax, oil, corn starch. It is economical and environmental advantage because by reusing and no waste.It is environment-friendly clay made with grain directly from the nature.We are Business Participating Voluntary Agreement of Reduction of Use of Harmful Substances to Children and doing our best for the protection of children&＃39;s health.Non-Drying Modeling Materials with Modified StarchThis product is composed of environmentally friendly modeling materials which are wax, oil, processed starch, so that they are sanitary and harmless to humans.Featuresmultipurpose, non-toxic and perpetual recycle : no crack even in unpacked state vacuum-extrusion product by higher quality. attachable to styrofoam solidly. ensure favorable carving economical and environmental advantage by reusing permanently and no waste. Application Areaskindergarten, children centers, art school, elementary, middle and high school. carving and modeling design and related industries, universities, professional schools, modeling production