Food grade material: The silicone round cake pans are made of 100% food grade silicone. Package: 4 packs, which can meet you different party demands, color: red. Heat resistant: The silicone baking set are Heat and cold resistance between -40℃ (-40℉) and 230℃ (446℉). Easy to pop out: The silicone cake pans are non-slippery and non-sticky. Perfect for breads,pot pies, layer cake, cheesecake, rainbow cake, chocolate cake and banana cake and more. Advantage: the silicone baking molds are Dishwasher, microwave, oven, fridge, freezer safe