food-grade silicone, . Eco-friendly, flexible, reusable and . Silicone are naturally to make out. Our liners are design to thousands for usage, totally a money Easy to clean Microwave, oven, refrigerator, and dishwasher safe. Silicone are great for baking muffins, cupcakes, and breads, preparing for treat, desserts on a baking sheet, candy making.