Made of high quality food-grade silicone, BPA free. Eco-friendly, flexible, reusable and durable. Silicone molds are naturally non stick to make popping out perfectly shaped baked treats a breeze. Our liners are designed to withstand thousands for time' usage, totally a money saver. Easy to clean. Microwave, oven, refrigerator, freezer and dishwasher safe. Silicone molds are great for baking muffins, cupcakes, and breads, preparing for frozen treats, desserts on a baking sheet, candy making.