Just pour the liquid-wax and wait for cold process. Oven, refrigerator, freezers safe. Suitable for making Halloween gift, Christmas decorations, desk ornaments, birthday Chrismas gift. For making scented gypsum ornaments, you can add various crafting materials, such as dried flower, sequins, pearlescent color, This Halloween molds is perfect for crafting gypsum ornaments, Halloween decorations, Christmas present, home decorations. Craft with quality silicone. Safe, good durability.