Lekue 6 Cavities Semi-Sphere Multi Cavity Baking Mold, Red Constructed of platinum silicone, a durable and resistant material that can withstand temperatures between-76 F and 464 F Clean-up couldn't be easier, just pop them in the dishwasher and they will come out perfect The silicone mold is non-stick, so it does not need to be greased and it is easy to remove your creations from the mold Reinforced interior structure so, in spite of their flexibility, they are very stable, making them easier to carry Obtain professional results with the silicone molds in the Lekue Gourmet Collection, all products 100% platinum silicone have 10 years warranty