SiliPro 24-Pack Silicone Baking Cups/Cupcake Liners Cups have Non-stick properties to make nice cupcakes that won't fall apart when popping them out. The cups are FDA approved, BPA free and Eco-friendly. Silicone is non-porous as well as stain proo They are microwave, oven, dishwasher and freezer-safe Can also be used to prepare beautiful ice-cream cakes, gelatin, cheesecake etc Use the cups over and over again, you will spend less and be environmentally conservative