FOOD GRADE SILICONE ,BPA Free. Just feel free to enjoy much healthier treats with your family and friends. NON-STICK, FLEXIBLE Silicone ! Multiple function, not just Yorkshire Pudding : muffins ,Egg muffin, tarts, eggs, cookies, mini cheesecakes or quiche, gelatins & More.With so many options you will never stop surprising your loved ones with delicious and creative desserts.