Soft, non-toxic, non-stick, high-conductivity alimentary pure silicone Suitable for cooking, baking, refrigerating, freezing and thawing Siliconflex molds are ideal for the preparation of sweet/salty biscuits, cookies, cakes, pies, chocolate and more! Temperature range for use: -60° C (-76° F) to 230° C (446° F). Easy to clean and can be hung using holes in each corner Hygienic