● ROUND CAKE PAN : This is made of 100% pure food grade silicone, safe and durable, non-toxic. BPA FREE and FDA Approved. ● SILICONE ROUND CAKE PAN: Non-Slip thicken silicone handle and a Stainless Steel Frame surrounded by silicone inside for a better holding and balance ● NON-STICK CAKE BAKING PAN: EASY to release the cake when the silicone cake baking tray cooled and dishwasher safe. ● CAKE PAN 9 INCH: 9 inch round cake pan, ideal for home baking DIY ● Wide temperature range: 40℉~446℉(-40℃~230℃). So it is Freezer safe&Oven safe. Due to the stainless steel rim was completely covered by silicone, it is also Microwave Safe.