1. Made by 100% food grade silicone, BPA free, Lead free and Phthalates free. 2. Soft, Durable and Unbreakable. 3. High Transparency, 100% silicone glassware. 4. Temperature range: -40 to 230°C. 5. Perfect for cake, candy 6. Easy to clean. Dishwasher and Freezer safe.