1. Made of food grade silicone materials, not easy to age and fade 2. Heat-resisting, temperature resistance range from -40 ? to +230?. 3. Anti-dust, anti-aging, anti-stain, non-sticking, impermeable. 4. Environmental protective, nonpoisonous and has no side-effect to the human body. 5. Safe to use in ovens, microwave ovens and freezer. Spec: Features: Made of food grade silicone materials, not easy to age and fade Heat-resisting, temperature resistance range from -40 ? to +230?. Anti-dust, anti-aging, anti-stain, non-sticking, impermeable. Environmental protective, nonpoisonous and has no side-effect to the human body. Safe to use in ovens, microwave ovens and freezer. Specification: Condition: 100% Brand New Material: Silicone Color: Chocolate Size: Approx. 20.5 * 8.5cm/8 * 3.3in Item Weight: Approx. 35g/1.2oz Package List: 1 * Chocolate Note: Please allow 0-1 inch error due to manual measurement, thanks for your understanding.?SAFE TO USE¡¿can be used safely in ovens, microwaves and freezers. Non-stick silicone molds easily releases polymer cubes with a simple twist, molds won't crack. Environmental protective, nonpoisonous and has no side-effect to the human body. Heat-resisting, temperature resistance range from -40 ? to +230?. Truffle Molds: Made of food grade silicone materials, not easy to age and fade. Made of food-grade silicone, BPA materials, ensures the food safety for you.Anti-dust, anti-aging, anti-stain, non-sticking, impermeable. Unique Shapes: included offer endless possibilities for creativity in the kitchen or for any crafting project. Anti-dust, anti-aging, anti-stain, non-sticking, impermeable.