The Silicone Donut Baking Pan is made of food-grade silicone. Great for family projects, baked mini doughnuts are more delicious, easier to make and healthier than fried doughnuts. This silicone donut baking pan are safe at the temperature between -40 and 230 Degrees Celsius, it's suitable to put in microwave, freezer and dishwasher. The flexibility of the silicone allows the baking tray to be folded without damage, and it simply unfolds back to its initial shape. You could put them in a dishwasher or wash them by hand. The silicone Baking Pan are non-stick, the dough will not stick in the cavities, and even if it does, you could easily clean them with some warm water.