ComposiMold ImPRESSive Re-Usable Molding Putty 1.5oz Eco-Friendly ReUsable-Mold Making that is reheated in the microwave to re-use. Continue to make more custom molds any time you want and it's non-toxic. Softens to clay or dough consistency when heated and pressed over your part that you want to duplicate. Great for polymer clay, silicones, colored epoxies, soaps, waxes, and many urethanes When cooled, it is a firm rubber or Silicone-like rubber, except it can be re-used Anytime you want.