... casting method, composite solidly, non-adhesive in the composite process, soft, non-plastic feel, no skin irritation, suits for production of healthy and ... , non-toxic, non-irritating, colorful, inexpensive, can be recycled and so on. The material can decompose naturally when placed outside for 90 ... days, while its using life can be up to 5 years when placed inside. It will be non- ...