NY Cake Silicone Jewel Shapes Mold for Cake Decorating Fondant Gum Paste (4 Cavity) Materials: FDA Approved Food-Grade Silicone Jewel Shapes Mold approx size of each cavity: 1" in Diam. Four Unique and detailed cavity's of Jewel Shapes, Round, Heart, Hexagon This is easy to use silicone very flexible and non toxic. * Reusable, non-stick. Easy to clean and store, dishwasher safe. Mold can stand Temperatures -76 F / +446 F (-60 C / +230 C).