Non Toxic, Microwaveable, and Reusable for dozens of unique molds. ComposiMold is a 100% reusable mold-making material that works by melting and pouring. Many casts can be made using the same mold, and when you are finished with that mold, you can re-melt it and re-use it. ComposiMold is designed and perfected for use with hobby, arts, and craft projects for duplicating sculptures, models, 3D printed parts, and artistic creations. Action figures, sculptures, prototypes, and more. Provides you with the tools for great details (picks up fingerprints) in your mold-making without having to worry about mistakes or wasting material. ComposiMold is a flexible, rubbery, thermoplastic that is great for mold parts using many different casting materials including plaster, cement, epoxy, polyurethane, and many others. ComposiMold Original conforms to ASTM D4236, Safe as an art material.