Safe and reliable material. Made of FDA & LFGB approved 100% pure， professional quality food-grade silicone， BPA， PVC and Phthalate freeFlexible and non-stick. Baked goods pop out easilyEasy to clean. Use warm water for better cleaning or dish washer safeEasy to use. Microwave， oven， refrigerator， freezer and dishwasher safe. Temperature safe from -40 to +446 degrees Fahrenheit (-40 to +230 degrees Celsius)Versatile. Suitable for any cake recipe， and can be used to make hot or cold desserts