1.5" x 1" Silicone Chocolate Tart Molds? Highest quality flexible non silicone molds with a non-stick ( polished interior ) coating for easy removal and cleaning, Can be used for refrigeration or cooking with oven or microwave. Temperature range for use: -60° C (-76° F) to 230° C (446° F). Molds can be transferred directly from freezer to oven or microwave and are Non-toxic. Made in Italy with a lifetime warranty.